Domain RDAP & DNS Security Auditor

Bulk WHOIS Lookup: Domain Age, Expiry, Registrar

thoob/rdap-domain-lookup

Looks up domain registration data through official IANA RDAP servers (the structured-JSON successor to WHOIS): registrar, key dates, status codes, nameservers, DNSSEC, and abuse contact. Clean fields, no mangled WHOIS text. Billed only per resolved domain.

Domain Security & Email Deliverability — DNS, SPF, DMARC, DKIM

ryanclinton/dns-record-lookup

Audit a domain portfolio for email spoofing, broken SPF, DMARC enforcement, DNSSEC and shadow-SaaS senders. Returns a posture score, what to fix first, vendor dependencies and drift alerts — not just records. Bulk DNS / SPF / DMARC / DKIM lookup, no API keys.

DNS Lookup – Bulk DNS Records, MX, SPF & DMARC Checker

gazidev/bulk-dns-lookup

Bulk DNS lookup for thousands of domains: A, AAAA, MX, NS, TXT, CNAME, SOA, CAA records, SPF checker with 10-lookup limit, DMARC policy & rua, DKIM selectors, MTA-STS, BIMI, reverse DNS, change monitoring. Pick resolver: 1.1.1.1, 8.8.8.8 or custom. $1 per 1,000 domains.

Bulk Domain Checker: WHOIS Lookup, DNS, SSL & HTTP

aiqlabs/bulk-domain-checker

Check a list of domains in one run: DNS records, mail provider from MX, SPF/DMARC, HTTP status and full redirect chain, SSL certificate expiry, and WHOIS/RDAP registration - plus a plain-English issue list per domain. No API keys.

Domain Inspector — WHOIS/RDAP, DNS & SSL

hipersoft/domain-inspector

Inspect any list of domains: registrar, registration/expiry dates and status via RDAP; DNS records (A, AAAA, MX, NS, TXT, CNAME); and SSL certificate issuer and expiry. Bulk-ready, no setup. Great for domain portfolios, security audits and lead research.

Enrich up to 10,000 domains per run: A/AAAA/MX/NS/TXT, SPF & DMARC via DNS-over-HTTPS, plus registrar, created/expiry dates, status and DNSSEC via RDAP. No WHOIS, no personal data.

Bulk domain lookup from official sources. Registrar, creation date, age and expiry date via RDAP, the modern WHOIS; A, MX, NS, TXT, SPF and DMARC records; and the SSL certificate issuer and days to expiry. $1.50 per 1,000 domains.

SPF, DMARC & DKIM Checker: Bulk Email Domain DNS Audit

datawright-labs/email-domain-dns-checker

Bulk email authentication audit for any list of domains or emails: SPF (with recursive 10-lookup count), DMARC policy, DKIM selectors, MX and mail provider, BIMI, MTA-STS and TLS-RPT. Score 0-100, status and a plain-English problems list per domain.

Fetch public RDAP domain registration, registrar, nameserver, status, and lifecycle signals for due diligence and domain intelligence workflows.

Paste domains or URLs and get one result each: who registered it, when it was created and runs out, name servers, A and MX entries, SPF text. Free names are flagged.