{
  "x402Version": 2,
  "id": 26679,
  "slug": "26679",
  "resource": "https://email-auth.use.x402atlas.com/check",
  "description": "Email authentication posture check: parses SPF, DMARC and DKIM plus MX for any domain and grades deliverability/anti-spoofing gaps (SPF +all, SPF >10 lookups, DMARC p=none, missing DKIM). Clean JSON for deliverability and security-ops automation.",
  "type": "http",
  "serviceName": "Email Auth SPF/DMARC/DKIM Check",
  "resourceType": "Agent Service",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x3731f5C2c1835E3aCe2AC157c4e31b1cEA0CB0e0",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:137",
      "payTo": "0x3731f5C2c1835E3aCe2AC157c4e31b1cEA0CB0e0",
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:42161",
      "payTo": "0x3731f5C2c1835E3aCe2AC157c4e31b1cEA0CB0e0",
      "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "accepts_mail": {
            "description": "true when the domain has at least one MX record",
            "type": "boolean"
          },
          "dkim": {
            "properties": {
              "checked_selectors": {
                "description": "exact selectors probed",
                "items": {
                  "type": "string"
                },
                "type": "array"
              },
              "found": {
                "items": {
                  "properties": {
                    "record": {
                      "type": "string"
                    },
                    "selector": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": "array"
              }
            },
            "type": "object"
          },
          "dmarc": {
            "description": "null when no DMARC record is present",
            "properties": {
              "adkim": {
                "default": "r",
                "enum": [
                  "r",
                  "s"
                ],
                "type": "string"
              },
              "aspf": {
                "default": "r",
                "enum": [
                  "r",
                  "s"
                ],
                "type": "string"
              },
              "pct": {
                "default": 100,
                "maximum": 100,
                "minimum": 0,
                "type": "integer"
              },
              "policy": {
                "description": "p= tag; empty when missing/invalid",
                "enum": [
                  "none",
                  "quarantine",
                  "reject",
                  ""
                ],
                "type": "string"
              },
              "record": {
                "type": "string"
              },
              "rua": {
                "description": "aggregate report addresses",
                "items": {
                  "type": "string"
                },
                "type": "array"
              },
              "ruf": {
                "description": "forensic report addresses",
                "items": {
                  "type": "string"
                },
                "type": "array"
              },
              "subdomain_policy": {
                "description": "sp= tag; empty when absent (inherits policy)",
                "type": "string"
              }
            },
            "type": [
              "object",
              "null"
            ]
          },
          "domain": {
            "type": "string"
          },
          "mx": {
            "items": {
              "properties": {
                "host": {
                  "type": "string"
                },
                "pref": {
                  "maximum": 65535,
                  "minimum": 0,
                  "type": "integer"
                }
              },
              "type": "object"
            },
            "type": "array"
          },
          "queried_at": {
            "format": "date-time",
            "type": "string"
          },
          "spf": {
            "description": "null when no SPF record is present",
            "properties": {
              "all_qualifier": {
                "description": "qualifier on the all mechanism; empty when absent",
                "enum": [
                  "-all",
                  "~all",
                  "?all",
                  "+all",
                  ""
                ],
                "type": "string"
              },
              "dns_lookups": {
                "description": "count of lookup-causing terms; RFC 7208 limit is 10",
                "minimum": 0,
                "type": "integer"
              },
              "mechanisms": {
                "items": {
                  "properties": {
                    "causes_dns": {
                      "type": "boolean"
                    },
                    "kind": {
                      "enum": [
                        "include",
                        "a",
                        "mx",
                        "ip4",
                        "ip6",
                        "all",
                        "exists",
                        "ptr",
                        "redirect",
                        "exp",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "qualifier": {
                      "enum": [
                        "+",
                        "-",
                        "~",
                        "?"
                      ],
                      "type": "string"
                    },
                    "value": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": "array"
              },
              "record": {
                "type": "string"
              }
            },
            "type": [
              "object",
              "null"
            ]
          },
          "warnings": {
            "description": "human-readable posture advisories; never null",
            "items": {
              "type": "string"
            },
            "type": "array"
          }
        },
        "required": [
          "domain",
          "queried_at",
          "accepts_mail",
          "mx",
          "spf",
          "dmarc",
          "dkim",
          "warnings"
        ],
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "category": "domain-intelligence",
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "domain": "example.com",
            "selector": "google"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "accepts_mail": true,
            "dkim": {
              "checked_selectors": [
                "default",
                "google",
                "selector1",
                "selector2",
                "k1",
                "dkim",
                "mail"
              ],
              "found": [
                {
                  "record": "v=DKIM1; k=rsa; p=MIGfMA0GCSq...",
                  "selector": "google"
                }
              ]
            },
            "dmarc": {
              "adkim": "s",
              "aspf": "s",
              "pct": 100,
              "policy": "reject",
              "record": "v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@example.com; adkim=s; aspf=s",
              "rua": [
                "mailto:dmarc@example.com"
              ],
              "ruf": [],
              "subdomain_policy": ""
            },
            "domain": "example.com",
            "mx": [
              {
                "host": "aspmx.l.google.com.",
                "pref": 1
              }
            ],
            "queried_at": "2026-07-02T12:00:00Z",
            "spf": {
              "all_qualifier": "~all",
              "dns_lookups": 1,
              "mechanisms": [
                {
                  "causes_dns": true,
                  "kind": "include",
                  "qualifier": "+",
                  "value": "_spf.google.com"
                },
                {
                  "causes_dns": false,
                  "kind": "all",
                  "qualifier": "~",
                  "value": ""
                }
              ],
              "record": "v=spf1 include:_spf.google.com ~all"
            },
            "warnings": []
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "domain": {
                    "description": "Domain to check — hostname only, no scheme/IP literal, no trailing dot, no localhost, no local/internal/reserved suffix (.local, .internal, .localdomain, .lan, .test)",
                    "maxLength": 253,
                    "pattern": "^[A-Za-z0-9-]{1,63}(\\.[A-Za-z0-9-]{1,63})*$",
                    "type": "string"
                  },
                  "selector": {
                    "description": "Optional DKIM selector to check authoritatively; if omitted, a common-selector list is probed",
                    "type": "string"
                  }
                },
                "required": [
                  "domain"
                ],
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "accepts_mail": {
                    "description": "true when the domain has at least one MX record",
                    "type": "boolean"
                  },
                  "dkim": {
                    "properties": {
                      "checked_selectors": {
                        "description": "exact selectors probed",
                        "items": {
                          "type": "string"
                        },
                        "type": "array"
                      },
                      "found": {
                        "items": {
                          "properties": {
                            "record": {
                              "type": "string"
                            },
                            "selector": {
                              "type": "string"
                            }
                          },
                          "type": "object"
                        },
                        "type": "array"
                      }
                    },
                    "type": "object"
                  },
                  "dmarc": {
                    "description": "null when no DMARC record is present",
                    "properties": {
                      "adkim": {
                        "default": "r",
                        "enum": [
                          "r",
                          "s"
                        ],
                        "type": "string"
                      },
                      "aspf": {
                        "default": "r",
                        "enum": [
                          "r",
                          "s"
                        ],
                        "type": "string"
                      },
                      "pct": {
                        "default": 100,
                        "maximum": 100,
                        "minimum": 0,
                        "type": "integer"
                      },
                      "policy": {
                        "description": "p= tag; empty when missing/invalid",
                        "enum": [
                          "none",
                          "quarantine",
                          "reject",
                          ""
                        ],
                        "type": "string"
                      },
                      "record": {
                        "type": "string"
                      },
                      "rua": {
                        "description": "aggregate report addresses",
                        "items": {
                          "type": "string"
                        },
                        "type": "array"
                      },
                      "ruf": {
                        "description": "forensic report addresses",
                        "items": {
                          "type": "string"
                        },
                        "type": "array"
                      },
                      "subdomain_policy": {
                        "description": "sp= tag; empty when absent (inherits policy)",
                        "type": "string"
                      }
                    },
                    "type": [
                      "object",
                      "null"
                    ]
                  },
                  "domain": {
                    "type": "string"
                  },
                  "mx": {
                    "items": {
                      "properties": {
                        "host": {
                          "type": "string"
                        },
                        "pref": {
                          "maximum": 65535,
                          "minimum": 0,
                          "type": "integer"
                        }
                      },
                      "type": "object"
                    },
                    "type": "array"
                  },
                  "queried_at": {
                    "format": "date-time",
                    "type": "string"
                  },
                  "spf": {
                    "description": "null when no SPF record is present",
                    "properties": {
                      "all_qualifier": {
                        "description": "qualifier on the all mechanism; empty when absent",
                        "enum": [
                          "-all",
                          "~all",
                          "?all",
                          "+all",
                          ""
                        ],
                        "type": "string"
                      },
                      "dns_lookups": {
                        "description": "count of lookup-causing terms; RFC 7208 limit is 10",
                        "minimum": 0,
                        "type": "integer"
                      },
                      "mechanisms": {
                        "items": {
                          "properties": {
                            "causes_dns": {
                              "type": "boolean"
                            },
                            "kind": {
                              "enum": [
                                "include",
                                "a",
                                "mx",
                                "ip4",
                                "ip6",
                                "all",
                                "exists",
                                "ptr",
                                "redirect",
                                "exp",
                                "unknown"
                              ],
                              "type": "string"
                            },
                            "qualifier": {
                              "enum": [
                                "+",
                                "-",
                                "~",
                                "?"
                              ],
                              "type": "string"
                            },
                            "value": {
                              "type": "string"
                            }
                          },
                          "type": "object"
                        },
                        "type": "array"
                      },
                      "record": {
                        "type": "string"
                      }
                    },
                    "type": [
                      "object",
                      "null"
                    ]
                  },
                  "warnings": {
                    "description": "human-readable posture advisories; never null",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  }
                },
                "required": [
                  "domain",
                  "queried_at",
                  "accepts_mail",
                  "mx",
                  "spf",
                  "dmarc",
                  "dkim",
                  "warnings"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      },
      "tags": [
        "email",
        "spf",
        "dmarc",
        "dkim",
        "deliverability",
        "security"
      ]
    }
  },
  "tags": [
    "email",
    "spf",
    "dmarc",
    "dkim",
    "deliverability",
    "bazaar"
  ],
  "sourceHost": "email-auth.use.x402atlas.com",
  "lastUpdated": "2026-10-12T01:18:20.251Z",
  "quality": {
    "calls30d": 21,
    "uniquePayers30d": 9,
    "lastCalledAt": "2026-10-12T01:18:20.12Z"
  },
  "metadata": {
    "serviceName": "Email Auth SPF/DMARC/DKIM Check",
    "extensions": {
      "bazaar": {
        "category": "domain-intelligence",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "domain": "example.com",
              "selector": "google"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "accepts_mail": true,
              "dkim": {
                "checked_selectors": [
                  "default",
                  "google",
                  "selector1",
                  "selector2",
                  "k1",
                  "dkim",
                  "mail"
                ],
                "found": [
                  {
                    "record": "v=DKIM1; k=rsa; p=MIGfMA0GCSq...",
                    "selector": "google"
                  }
                ]
              },
              "dmarc": {
                "adkim": "s",
                "aspf": "s",
                "pct": 100,
                "policy": "reject",
                "record": "v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@example.com; adkim=s; aspf=s",
                "rua": [
                  "mailto:dmarc@example.com"
                ],
                "ruf": [],
                "subdomain_policy": ""
              },
              "domain": "example.com",
              "mx": [
                {
                  "host": "aspmx.l.google.com.",
                  "pref": 1
                }
              ],
              "queried_at": "2026-07-02T12:00:00Z",
              "spf": {
                "all_qualifier": "~all",
                "dns_lookups": 1,
                "mechanisms": [
                  {
                    "causes_dns": true,
                    "kind": "include",
                    "qualifier": "+",
                    "value": "_spf.google.com"
                  },
                  {
                    "causes_dns": false,
                    "kind": "all",
                    "qualifier": "~",
                    "value": ""
                  }
                ],
                "record": "v=spf1 include:_spf.google.com ~all"
              },
              "warnings": []
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "domain": {
                      "description": "Domain to check — hostname only, no scheme/IP literal, no trailing dot, no localhost, no local/internal/reserved suffix (.local, .internal, .localdomain, .lan, .test)",
                      "maxLength": 253,
                      "pattern": "^[A-Za-z0-9-]{1,63}(\\.[A-Za-z0-9-]{1,63})*$",
                      "type": "string"
                    },
                    "selector": {
                      "description": "Optional DKIM selector to check authoritatively; if omitted, a common-selector list is probed",
                      "type": "string"
                    }
                  },
                  "required": [
                    "domain"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "accepts_mail": {
                      "description": "true when the domain has at least one MX record",
                      "type": "boolean"
                    },
                    "dkim": {
                      "properties": {
                        "checked_selectors": {
                          "description": "exact selectors probed",
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        "found": {
                          "items": {
                            "properties": {
                              "record": {
                                "type": "string"
                              },
                              "selector": {
                                "type": "string"
                              }
                            },
                            "type": "object"
                          },
                          "type": "array"
                        }
                      },
                      "type": "object"
                    },
                    "dmarc": {
                      "description": "null when no DMARC record is present",
                      "properties": {
                        "adkim": {
                          "default": "r",
                          "enum": [
                            "r",
                            "s"
                          ],
                          "type": "string"
                        },
                        "aspf": {
                          "default": "r",
                          "enum": [
                            "r",
                            "s"
                          ],
                          "type": "string"
                        },
                        "pct": {
                          "default": 100,
                          "maximum": 100,
                          "minimum": 0,
                          "type": "integer"
                        },
                        "policy": {
                          "description": "p= tag; empty when missing/invalid",
                          "enum": [
                            "none",
                            "quarantine",
                            "reject",
                            ""
                          ],
                          "type": "string"
                        },
                        "record": {
                          "type": "string"
                        },
                        "rua": {
                          "description": "aggregate report addresses",
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        "ruf": {
                          "description": "forensic report addresses",
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        "subdomain_policy": {
                          "description": "sp= tag; empty when absent (inherits policy)",
                          "type": "string"
                        }
                      },
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "domain": {
                      "type": "string"
                    },
                    "mx": {
                      "items": {
                        "properties": {
                          "host": {
                            "type": "string"
                          },
                          "pref": {
                            "maximum": 65535,
                            "minimum": 0,
                            "type": "integer"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "queried_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "spf": {
                      "description": "null when no SPF record is present",
                      "properties": {
                        "all_qualifier": {
                          "description": "qualifier on the all mechanism; empty when absent",
                          "enum": [
                            "-all",
                            "~all",
                            "?all",
                            "+all",
                            ""
                          ],
                          "type": "string"
                        },
                        "dns_lookups": {
                          "description": "count of lookup-causing terms; RFC 7208 limit is 10",
                          "minimum": 0,
                          "type": "integer"
                        },
                        "mechanisms": {
                          "items": {
                            "properties": {
                              "causes_dns": {
                                "type": "boolean"
                              },
                              "kind": {
                                "enum": [
                                  "include",
                                  "a",
                                  "mx",
                                  "ip4",
                                  "ip6",
                                  "all",
                                  "exists",
                                  "ptr",
                                  "redirect",
                                  "exp",
                                  "unknown"
                                ],
                                "type": "string"
                              },
                              "qualifier": {
                                "enum": [
                                  "+",
                                  "-",
                                  "~",
                                  "?"
                                ],
                                "type": "string"
                              },
                              "value": {
                                "type": "string"
                              }
                            },
                            "type": "object"
                          },
                          "type": "array"
                        },
                        "record": {
                          "type": "string"
                        }
                      },
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "warnings": {
                      "description": "human-readable posture advisories; never null",
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "domain",
                    "queried_at",
                    "accepts_mail",
                    "mx",
                    "spf",
                    "dmarc",
                    "dkim",
                    "warnings"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "email",
          "spf",
          "dmarc",
          "dkim",
          "deliverability",
          "security"
        ]
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "email-auth.use.x402atlas.com",
    "manifest_name": "email-auth.use.x402atlas.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-10-14T01:15:01.050Z"
  },
  "exampleResponse": {
    "accepts_mail": true,
    "dkim": {
      "checked_selectors": [
        "default",
        "google",
        "selector1",
        "selector2",
        "k1",
        "dkim",
        "mail"
      ],
      "found": [
        {
          "record": "v=DKIM1; k=rsa; p=MIGfMA0GCSq...",
          "selector": "google"
        }
      ]
    },
    "dmarc": {
      "adkim": "s",
      "aspf": "s",
      "pct": 100,
      "policy": "reject",
      "record": "v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@example.com; adkim=s; aspf=s",
      "rua": [
        "mailto:dmarc@example.com"
      ],
      "ruf": [],
      "subdomain_policy": ""
    },
    "domain": "example.com",
    "mx": [
      {
        "host": "aspmx.l.google.com.",
        "pref": 1
      }
    ],
    "queried_at": "2026-07-02T12:00:00Z",
    "spf": {
      "all_qualifier": "~all",
      "dns_lookups": 1,
      "mechanisms": [
        {
          "causes_dns": true,
          "kind": "include",
          "qualifier": "+",
          "value": "_spf.google.com"
        },
        {
          "causes_dns": false,
          "kind": "all",
          "qualifier": "~",
          "value": ""
        }
      ],
      "record": "v=spf1 include:_spf.google.com ~all"
    },
    "warnings": []
  }
}