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Bulk Domain WHOIS, DNS & SSL Checker

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from $3.00 / 1,000 results

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Bulk Domain WHOIS, DNS & SSL Checker

Bulk Domain WHOIS, DNS & SSL Checker

Check thousands of domains for WHOIS/RDAP registration and expiry, DNS records, email setup (MX, SPF, DMARC) and SSL certificate expiry.

Pricing

from $3.00 / 1,000 results

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0.0

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Developer

Harsh Mahajan

Harsh Mahajan

Maintained by Community

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0

Bookmarked

2

Total users

1

Monthly active users

a month ago

Last modified

Categories

Security

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Check thousands of domains in one run for registration and expiry (WHOIS/RDAP), DNS records, email setup (MX, SPF, DMARC), SSL certificate expiry and website status. Each domain gets one clean row plus a plain-English issues list. Paste domains, URLs or email addresses.

Use cases

  • Domain portfolio monitoring: catch domains and SSL certificates before they expire.
  • Lead enrichment: see each prospect's email provider (Google Workspace, Microsoft 365...), DNS host and the SaaS tools they've verified (from TXT records), plus domain age.
  • Email deliverability and security audits: find missing SPF or DMARC and weak policies.
  • Agencies and MSPs: run a client health check in one click.

What it checks

GroupFields
Registrationstatus (registered, available or unknown), registrar, created, expires, days until expiry, domain age, EPP status, nameservers, DNSSEC
DNSA, AAAA, NS, CNAME, MX, TXT, CAA, DNS provider, email provider, verified services
Email securitySPF record and all mechanism, multiple-SPF error, DMARC record and policy
SSLvalid, error, issuer, valid from and to, days until expiry, SANs, TLS version
WebsiteHTTP status, final URL, HTTPS redirect, server header

Registration data comes from official RDAP servers (IANA bootstrap), with WHOIS fallback for TLDs without RDAP. DNS uses DNS-over-HTTPS (Cloudflare, with Google as fallback) for consistent results.

Output example

{
"domain": "apify.com",
"registrationStatus": "registered",
"registrar": "Amazon Registrar, Inc.",
"expiresAt": "2035-06-02T17:14:10.000Z",
"domainAgeYears": 17.3,
"emailProvider": "Google Workspace",
"dnsProvider": "Amazon Route 53",
"spfAllMechanism": "-all",
"dmarcPolicy": "reject",
"sslIssuer": "Amazon",
"sslDaysUntilExpiry": 103,
"httpStatus": 200,
"issues": []
}

Invalid inputs become rows marked Invalid domain. Unregistered domains are flagged available.