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Domain WHOIS & DNS Lookup - Bulk Domain Intelligence at $0.003

Know everything about any domain in seconds — full WHOIS, complete DNS footprint, SPF/DMARC/DKIM posture, and automatic email provider detection (Google Workspace, Microsoft 365, Zoho...). Built for B2B prospecting, security audits and infrastructure research — a fraction of the cost of SecurityTrails or DomainTools.

What you get

• Full WHOIS — registrar, creation/update/expiry dates, registrant org & country, name servers, EPP status codes, DNSSEC flag
• Age + expiry pre-calculated — age_days and days_until_expiry ready to filter
• Complete DNS — A, AAAA, MX, TXT, NS, CNAME, SOA in a single query
• Email security audit — automatic SPF, DMARC and DKIM detection
• Email provider detection — Google Workspace, Microsoft 365, Zoho, Proton, IONOS, Infomaniak and 15+ more identified from MX records
• Smart input normalization — accepts URLs, www. prefixes, bare domains; deduplicates automatically
• No API keys, no setup — paste domains and run

Use with AI Agents (MCP)

Connect this actor to any MCP-compatible AI client — Claude Desktop, Claude.ai, Cursor, VS Code, LangChain, LlamaIndex, or custom agents.

Apify MCP server URL:

https://mcp.apify.com?tools=santamaria-automations/domain-whois-dns

Example prompt once connected:

"Use domain-whois-dns to process data with domain whois dns. Return results as a table."

Clients that support dynamic tool discovery (Claude.ai, VS Code) will receive the full input schema automatically via add-actor.

Example output

{
"domain":"apple.com",
"whois":{
"registrar":"CSC Corporate Domains, Inc.",
"registrant_organization":"Apple Inc.",
"registrant_country":"US",
"created_date":"1987-02-19T05:00:00Z",
"updated_date":"2024-01-25T16:54:20Z",
"expires_date":"2026-02-20T05:00:00Z",
"age_days":14293,
"days_until_expiry":320,
"name_servers":["a.ns.apple.com","b.ns.apple.com","c.ns.apple.com","d.ns.apple.com"],
"status":["clientTransferProhibited","serverDeleteProhibited"],
"dnssec":false
},
"dns":{
"a":["17.253.144.10"],
"aaaa":["2620:149:af0::10"],
"mx":[{"priority":10,"host":"apple.com.s.mail-aol.com"}],
"txt":["v=spf1 include:_spf.apple.com ~all"],
"ns":["a.ns.apple.com","b.ns.apple.com"],
"soa":{
"primary_ns":"a.ns.apple.com",
"admin_email":"hostmaster@apple.com",
"serial":2024012501
}
},
"has_spf":true,
"has_dmarc":true,
"has_dkim":false,
"email_provider":"Other / Self-hosted",
"scraped_at":"2026-04-07T12:34:56Z"
}

How to use

Drop a list of domains (URLs work too — they're normalized automatically) into the domains input and run. One structured record per domain comes back with full WHOIS + DNS + email posture.

Input

Use cases

• B2B sales targeting — identify which prospects use Google Workspace vs Microsoft 365 and tailor your pitch
• Security audits — flag every domain missing SPF, DMARC or DKIM as a spoofing-risk finding
• Fraud & phishing detection — low age_days + privacy protection is a classic phishing signal
• Due diligence — map a target company's full DNS footprint before an M&A deal
• Domain portfolio monitoring — track expiry dates across thousands of domains; catch lapses before competitors do
• Competitive intel — detect when competitors re-platform email or change DNS infrastructure
• Lead list enrichment — append domain age, email provider and email security to scraped CRM exports

Pricing

Example: Look up 10,000 domains = $30.01 (vs SecurityTrails starter at $99/mo for limited queries)

No monthly fees. No minimum spend.

Tips

• URLs are fine — https://example.com/about?x=1 is normalized to example.com automatically
• GDPR redaction — most registrant contact info is blank for .com/.net domains registered after 2018; the raw WHOIS text is always preserved
• Missing DMARC — has_dmarc: false is one of the easiest security audit findings to flag
• Switch resolvers — if one resolver is rate-limited, try 1.1.1.1:53 (Cloudflare) or 9.9.9.9:53 (Quad9)

Issues & Feedback

Found a bug or need an additional field? Open an issue on the Issues tab — we respond within 24 hours.

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