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DNS Records Lookup: Bulk A, MX, TXT, SPF, DMARC

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Bulk DNS lookup for up to 2,000 domains over DNS-over-HTTPS (Cloudflare, Google): A, AAAA, CNAME, MX, NS, TXT, SOA, CAA, SRV plus SPF, DMARC, DNSSEC flag. Empty input = free demo. $0.50 per 1,000 domains.

Pricing

from $0.35 / 1,000 domain resolveds

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7 hours ago

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You can access the DNS Records Lookup: Bulk A, MX, TXT, SPF, DMARC programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in API & Integrations in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

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      "inputSchema": {
        "type": "object",
        "properties": {
          "domains": {
            "title": "Domains or hostnames",
            "type": "array",
            "description": "Names to look up, one per entry, e.g. 'example.com' or 'mail.example.com'. URLs ('https://www.example.com/page') are cut down to the host name; internationalized names (münchen.de) are converted to punycode. For SRV records give the full service name, e.g. '_sip._tcp.example.com'. Duplicates are removed. Leave empty (and no dataset) to run a free demo (not charged). Up to 2,000 names per run.",
            "items": {
              "type": "string"
            }
          },
          "datasetId": {
            "title": "Dataset with domains",
            "type": "string",
            "description": "Optional. Dataset ID (a finished run's 'defaultDatasetId', e.g. 'WkzbQMuFYuamGv3YF') whose items contain domain names or URLs, for example the output of another Actor. Added to the domains above. The 2,000-name cap applies to the total."
          },
          "domainField": {
            "title": "Domain field in dataset",
            "type": "string",
            "description": "Name of the field in each dataset item that holds the domain or URL. Default 'domain'.",
            "default": "domain"
          },
          "recordTypes": {
            "title": "Record types",
            "type": "array",
            "description": "Which DNS record types to look up for every name. Each type is one question to the resolver. Default: A, AAAA, MX, NS, TXT. The price per domain is the same whatever you pick. The SPF helper field (spfRecord) needs TXT.",
            "items": {
              "type": "string",
              "enum": [
                "A",
                "AAAA",
                "CNAME",
                "MX",
                "NS",
                "TXT",
                "SOA",
                "CAA",
                "SRV"
              ]
            },
            "default": [
              "A",
              "AAAA",
              "MX",
              "NS",
              "TXT"
            ]
          },
          "includeDmarc": {
            "title": "Look up DMARC record",
            "type": "boolean",
            "description": "Also read the TXT record at _dmarc.<domain> and return the policy line as dmarcRecord (empty when the domain has none). Adds one question per domain.",
            "default": true
          },
          "outputMode": {
            "title": "Output format",
            "enum": [
              "perDomain",
              "perRecord"
            ],
            "type": "string",
            "description": "One flat row per domain is best for spreadsheets and CRMs. One row per record gives every record with its TTL; a name with no records, NXDOMAIN or an error still gets one row (type empty). Charging is per domain in both modes.",
            "default": "perDomain"
          },
          "dnsResolver": {
            "title": "DNS resolver",
            "enum": [
              "cloudflare",
              "google"
            ],
            "type": "string",
            "description": "Which public DNS-over-HTTPS JSON API is asked first. If it fails after retries, the other one is asked automatically; the row's 'resolver' field says which one answered.",
            "default": "cloudflare"
          },
          "timeoutSecs": {
            "title": "Timeout (seconds)",
            "minimum": 1,
            "maximum": 60,
            "type": "integer",
            "description": "Timeout for each request, in seconds. Failed requests are retried up to 3 times with a growing pause before the other resolver is tried. Allowed range 1 to 60 (default 10).",
            "default": 10
          },
          "concurrency": {
            "title": "Concurrency",
            "minimum": 1,
            "maximum": 10,
            "type": "integer",
            "description": "How many domains are looked up in parallel. Allowed range 1 to 10 (default 5). That is also the maximum number of connections to one resolver at a time, with at least 0.05 s between requests to the same resolver.",
            "default": 5
          }
        }
      },
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                "type": "string"
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                "type": "string"
              },
              "userId": {
                "type": "string"
              },
              "startedAt": {
                "type": "string",
                "format": "date-time",
                "example": "2025-01-08T00:00:00.000Z"
              },
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                "type": "string",
                "format": "date-time",
                "example": "2025-01-08T00:00:00.000Z"
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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",
                    "example": 2000
                  },
                  "rebootCount": {
                    "type": "integer",
                    "example": 0
                  },
                  "restartCount": {
                    "type": "integer",
                    "example": 0
                  },
                  "resurrectCount": {
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                  },
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                    "example": 2048
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              "containerUrl": {
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                  "ACTOR_COMPUTE_UNITS": {
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                  "KEY_VALUE_STORE_WRITES": {
                    "type": "integer",
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                  "KEY_VALUE_STORE_LISTS": {
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                  },
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                  "REQUEST_QUEUE_WRITES": {
                    "type": "integer",
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                  "DATA_TRANSFER_INTERNAL_GBYTES": {
                    "type": "integer",
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                  "DATA_TRANSFER_EXTERNAL_GBYTES": {
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                  "KEY_VALUE_STORE_WRITES": {
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                    "example": 0.00005
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                  "KEY_VALUE_STORE_LISTS": {
                    "type": "integer",
                    "example": 0
                  },
                  "REQUEST_QUEUE_READS": {
                    "type": "integer",
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                  },
                  "REQUEST_QUEUE_WRITES": {
                    "type": "integer",
                    "example": 0
                  },
                  "DATA_TRANSFER_INTERNAL_GBYTES": {
                    "type": "integer",
                    "example": 0
                  },
                  "DATA_TRANSFER_EXTERNAL_GBYTES": {
                    "type": "integer",
                    "example": 0
                  },
                  "PROXY_RESIDENTIAL_TRANSFER_GBYTES": {
                    "type": "integer",
                    "example": 0
                  },
                  "PROXY_SERPS": {
                    "type": "integer",
                    "example": 0
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                    "type": "integer",
                    "example": 0
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Bulk DNS Lookup: A, MX, TXT, SPF, DMARC, CAA Records OpenAPI definition

OpenAPI is a standard for designing and describing RESTful APIs, allowing developers to define API structure, endpoints, and data formats in a machine-readable way. It simplifies API development, integration, and documentation.

OpenAPI is effective when used with AI agents and GPTs by standardizing how these systems interact with various APIs, for reliable integrations and efficient communication.

By defining machine-readable API specifications, OpenAPI allows AI models like GPTs to understand and use varied data sources, improving accuracy. This accelerates development, reduces errors, and provides context-aware responses, making OpenAPI a core component for AI applications.

You can download the OpenAPI definitions for DNS Records Lookup: Bulk A, MX, TXT, SPF, DMARC from the options below:

OpenAPI.json

If you’d like to learn more about how OpenAPI powers GPTs, read our blog post.

You can also check out our other API clients:

DNS Records Lookup: Bulk A, MX, TXT, SPF, DMARC API in Python

DNS Records Lookup: Bulk A, MX, TXT, SPF, DMARC API in JavaScript

DNS Records Lookup: Bulk A, MX, TXT, SPF, DMARC API through CLI

DNS Records Lookup: Bulk A, MX, TXT, SPF, DMARC API

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