{
  "openapi": "3.0.1",
  "info": {
    "title": "SPF, DKIM & DMARC Checker: Bulk Domain Email Auth Audit",
    "description": "Audit email authentication for thousands of domains: SPF (lookups, all), DMARC (policy, rua, pct), DKIM keys (45 selectors), MX provider, BIMI, MTA-STS, A-F score and fixes. Change alerts. No API key, no login. MCP-ready for AI agents. Errors are free. $3 per 1,000 domains",
    "version": "0.1",
    "x-build-id": "zGkbHtuu3iy3018yj"
  },
  "servers": [
    {
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    "/acts/actose~email-dns-auth-checker/runs": {
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  "components": {
    "schemas": {
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        "type": "object",
        "required": [
          "domains"
        ],
        "properties": {
          "domains": {
            "title": "Domains",
            "type": "array",
            "description": "Domains to check. Email addresses (john@acme.com) and URLs (https://www.acme.com/page) are accepted and reduced to the domain. Internationalized domains (café.fr) are supported. Duplicates are checked once.",
            "items": {
              "type": "string"
            }
          },
          "dkimSelectors": {
            "title": "Extra DKIM selectors",
            "type": "array",
            "description": "Your own DKIM selectors to test in addition to the common ones (e.g. \"s2048\", \"mailchimp\"). Find it in the DKIM-Signature header (s=) of an email you sent.",
            "items": {
              "type": "string"
            }
          },
          "checkCommonDkimSelectors": {
            "title": "Test common DKIM selectors",
            "type": "boolean",
            "description": "Test about 45 common selectors (Google Workspace, Microsoft 365, Mailchimp, SendGrid, Zoho, Proton, Fastmail, Mailjet, HubSpot...).",
            "default": true
          },
          "monitorChanges": {
            "title": "Monitor changes (scheduled runs)",
            "type": "boolean",
            "description": "Remember each domain's records between runs and add \"changed\" + \"changes\" (field, previous, current) to every result. Use it with a schedule to be alerted when SPF, DMARC, DKIM or MX change.",
            "default": false
          },
          "onlyChanges": {
            "title": "Only output new or changed domains",
            "type": "boolean",
            "description": "With monitoring: output (and charge) only domains seen for the first time or whose records changed since the last run. Unchanged domains are free.",
            "default": false
          },
          "monitorName": {
            "title": "Monitor name",
            "type": "string",
            "description": "Name of the saved state, so that several schedules (e.g. one per client) do not mix. Letters, digits and - only.",
            "default": "default"
          },
          "maxConcurrency": {
            "title": "Max parallel domains",
            "minimum": 1,
            "maximum": 25,
            "type": "integer",
            "description": "How many domains are checked at the same time.",
            "default": 8
          }
        }
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              },
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                "format": "date-time",
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                "format": "date-time",
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              },
              "status": {
                "type": "string",
                "example": "READY"
              },
              "meta": {
                "type": "object",
                "properties": {
                  "origin": {
                    "type": "string",
                    "example": "API"
                  },
                  "userAgent": {
                    "type": "string"
                  }
                }
              },
              "stats": {
                "type": "object",
                "properties": {
                  "inputBodyLen": {
                    "type": "integer",
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                  },
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                    "type": "integer",
                    "example": 0
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                    "example": 0
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                    "example": 0
                  },
                  "computeUnits": {
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                    "example": 0
                  }
                }
              },
              "options": {
                "type": "object",
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                    "type": "string",
                    "example": "latest"
                  },
                  "timeoutSecs": {
                    "type": "integer",
                    "example": 300
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                  "memoryMbytes": {
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              },
              "buildId": {
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              "defaultKeyValueStoreId": {
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                "type": "string"
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              "defaultRequestQueueId": {
                "type": "string"
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              "buildNumber": {
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                "example": "1.0.0"
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              "containerUrl": {
                "type": "string"
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              "usage": {
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                  "ACTOR_COMPUTE_UNITS": {
                    "type": "integer",
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                  "DATASET_READS": {
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                  "KEY_VALUE_STORE_WRITES": {
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                }
              },
              "usageTotalUsd": {
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                "example": 0.00005
              },
              "usageUsd": {
                "type": "object",
                "properties": {
                  "ACTOR_COMPUTE_UNITS": {
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