{
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  "info": {
    "title": "DMARC, SPF & DKIM Checker: Bulk Email Domain Health Audit",
    "description": "Bulk DMARC, SPF and DKIM checker for email deliverability. Input domains or emails; get an A-F grade per domain, MX and mail provider, SPF 10-lookup check, DMARC policy, MTA-STS, BIMI, SSL and domain expiry, Gmail/Yahoo bulk-sender status, plain-English issues and copy-paste DNS fixes.",
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  "components": {
    "schemas": {
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        "type": "object",
        "required": [
          "domains"
        ],
        "properties": {
          "domains": {
            "title": "Domains or email addresses",
            "type": "array",
            "description": "One per line, e.g. \"example.com\" or \"sales@example.com\" (the domain is taken from the email). URLs work too. Duplicates are audited once. Example: [\"example.com\", \"sales@example.org\"].",
            "items": {
              "type": "string"
            }
          },
          "dkimSelectors": {
            "title": "DKIM selectors",
            "type": "array",
            "description": "Your DKIM selectors, if you know them (the s= value in a sent email's DKIM-Signature header, e.g. \"google\" or \"selector1\"). DNS can't list selectors, so giving yours makes the DKIM check certain. Example: [\"google\", \"selector1\"].",
            "default": [],
            "items": {
              "type": "string"
            }
          },
          "guessDkimSelectors": {
            "title": "Also try common DKIM selectors",
            "type": "boolean",
            "description": "Check about 30 selectors used by Google Workspace, Microsoft 365, Mailchimp, SendGrid, Zoho, Proton and others.",
            "default": true
          },
          "checkCertificates": {
            "title": "Check the website SSL certificate",
            "type": "boolean",
            "description": "Connect to the domain's website on port 443 and report certificate expiry (days left), issuer and validity.",
            "default": true
          },
          "checkMxCertificate": {
            "title": "Check the mail server (MX) certificate",
            "type": "boolean",
            "description": "Connect to the first MX host on port 25 and read its STARTTLS certificate. Sends only EHLO, STARTTLS and QUIT: no mail and no address probing. Many cloud networks block port 25, so this often reports 'not reachable'.",
            "default": false
          },
          "checkRegistration": {
            "title": "Check domain age and expiry (RDAP)",
            "type": "boolean",
            "description": "Look up registration and expiry dates and the registrar from the registry's public RDAP service. Registrant contact details are never read.",
            "default": true
          },
          "checkDnssec": {
            "title": "Check DNSSEC",
            "type": "boolean",
            "description": "Check whether the domain is signed with DNSSEC (DS record at the parent zone).",
            "default": true
          },
          "checkBimi": {
            "title": "Check BIMI",
            "type": "boolean",
            "description": "Look up the BIMI record (brand logo shown in Gmail, Yahoo and Apple Mail).",
            "default": true
          },
          "maxConcurrency": {
            "title": "Domains in parallel",
            "minimum": 1,
            "maximum": 20,
            "type": "integer",
            "description": "How many domains to audit at the same time. DNS queries are additionally limited to 10 at a time, to stay polite to the public resolvers.",
            "default": 5
          }
        }
      },
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              "userId": {
                "type": "string"
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              "startedAt": {
                "type": "string",
                "format": "date-time",
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              "finishedAt": {
                "type": "string",
                "format": "date-time",
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              },
              "status": {
                "type": "string",
                "example": "READY"
              },
              "meta": {
                "type": "object",
                "properties": {
                  "origin": {
                    "type": "string",
                    "example": "API"
                  },
                  "userAgent": {
                    "type": "string"
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                }
              },
              "stats": {
                "type": "object",
                "properties": {
                  "inputBodyLen": {
                    "type": "integer",
                    "example": 2000
                  },
                  "rebootCount": {
                    "type": "integer",
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                  "restartCount": {
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                }
              },
              "options": {
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                "properties": {
                  "build": {
                    "type": "string",
                    "example": "latest"
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                  "timeoutSecs": {
                    "type": "integer",
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                  "memoryMbytes": {
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              },
              "buildId": {
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              "defaultKeyValueStoreId": {
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              "defaultDatasetId": {
                "type": "string"
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              "defaultRequestQueueId": {
                "type": "string"
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              "containerUrl": {
                "type": "string"
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              "usage": {
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                  "ACTOR_COMPUTE_UNITS": {
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                  },
                  "DATASET_READS": {
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