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WHOIS Domain Lookup in Bulk: RDAP, DNS, SSL

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WHOIS domain lookup in bulk through official RDAP: registered or available, registrar, domain age, created and expiry dates. Adds DNS records, SPF, DMARC and DKIM checks, email provider and SSL certificate expiry. Check one name across many TLDs. One row per domain. Expiry alerts and change monitor.

Pricing

from $1.60 / 1,000 domain checks

Rating

0.0

(0)

Developer

Malik Said

Actor stats

Bookmarked

Total users

Monthly active users

20 hours ago

Last modified

Categories

Developer tools

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Lead generation

You can access the WHOIS Domain Lookup in Bulk: RDAP, DNS, SSL 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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          "domains": {
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            "description": "Domains to check, one per line. You can paste URLs. The Actor keeps the host name and drops a leading www. At most 500 domains per run.",
            "default": [
              "apify.com",
              "wikipedia.org",
              "python.org",
              "mozilla.org",
              "bbc.co.uk"
            ],
            "items": {
              "type": "string"
            }
          },
          "names": {
            "title": "Names to check across TLDs",
            "type": "array",
            "description": "Optional. Names without a TLD, for example acme. Each name is checked with every TLD below. The pairs count toward the 500-domain cap.",
            "default": [],
            "items": {
              "type": "string"
            }
          },
          "tlds": {
            "title": "TLDs for the names",
            "type": "array",
            "description": "TLDs to pair with each name, without the dot, for example com, net, io, sa.",
            "default": [],
            "items": {
              "type": "string"
            }
          },
          "includeRdap": {
            "title": "Registration data (RDAP)",
            "type": "boolean",
            "description": "Look up registrar, creation date, expiry date, status and name servers from the registry's official RDAP server. Registrant contact details are never collected.",
            "default": true
          },
          "includeDns": {
            "title": "DNS records, SPF and DMARC",
            "type": "boolean",
            "description": "Look up A, AAAA, MX, NS and TXT records, and parse the SPF and DMARC records.",
            "default": true
          },
          "dkimSelectors": {
            "title": "DKIM selectors",
            "type": "array",
            "description": "DKIM selectors to look up at <selector>._domainkey.<domain> when DNS lookups are on. DNS has no list of selectors, so add your own if you know it.",
            "default": [
              "default",
              "google",
              "selector1",
              "selector2",
              "k1",
              "s1",
              "s2",
              "dkim",
              "mail"
            ],
            "items": {
              "type": "string"
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          },
          "includeSsl": {
            "title": "SSL certificate",
            "type": "boolean",
            "description": "Open one TLS connection on port 443 and read the certificate issuer, validity dates and days to expiry.",
            "default": true
          },
          "expiringWithinDays": {
            "title": "Only domains or certificates expiring within (days)",
            "minimum": 0,
            "type": "integer",
            "description": "Keep only domains whose registration or SSL certificate expires within this many days. Rows that do not match are not saved and not charged. 0 keeps every domain.",
            "default": 0
          },
          "monitorMode": {
            "title": "Monitor mode (only changed domains)",
            "type": "boolean",
            "description": "Return a domain only when its registrar, expiry date, status, name servers, MX, SPF, DMARC or certificate changed since the last monitor-mode run with the same state key. The first run returns every domain.",
            "default": false
          },
          "stateKey": {
            "title": "Monitor state key",
            "type": "string",
            "description": "Name of the memory that monitor mode uses. Use a different key for each separate watch list.",
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          },
          "maxItems": {
            "title": "Maximum domains",
            "minimum": 0,
            "maximum": 500,
            "type": "integer",
            "description": "Stop after saving this many domains. The default keeps test runs short and cheap. The maximum is 500. Set 0 to use the maximum of 500.",
            "default": 100
          },
          "maxConcurrency": {
            "title": "Domains checked in parallel",
            "minimum": 1,
            "maximum": 20,
            "type": "integer",
            "description": "How many domains are checked at the same time. RDAP requests to each registry are paced to about 1.5 per second whatever this value is.",
            "default": 5
          }
        }
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                "example": "2025-01-08T00:00:00.000Z"
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                "type": "string",
                "example": "READY"
              },
              "meta": {
                "type": "object",
                "properties": {
                  "origin": {
                    "type": "string",
                    "example": "API"
                  },
                  "userAgent": {
                    "type": "string"
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                }
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                  "KEY_VALUE_STORE_LISTS": {
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}

WHOIS Lookup and DNS Checker for Domains in Bulk 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 WHOIS Domain Lookup in Bulk: RDAP, DNS, SSL 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:

WHOIS Domain Lookup in Bulk: RDAP, DNS, SSL API in Python

WHOIS Domain Lookup in Bulk: RDAP, DNS, SSL API in JavaScript

WHOIS Domain Lookup in Bulk: RDAP, DNS, SSL API through CLI

WHOIS Domain Lookup in Bulk: RDAP, DNS, SSL API

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