Domain Age Checker — Bulk RDAP + WHOIS Lookup

Check domain age, registration date, expiration, registrar, and nameservers for any list of domains. No API key needed — uses the public RDAP standard. Perfect for SEO research, fraud detection, lead enrichment, and domain investing.

Validate emails in bulk with SMTP mailbox check, disposable detection, catch-all flagging, deliverability scoring, and typo suggestions. 20 emails free per run.

Monitor SSL/TLS certificates in bulk. Expiry dates, issuer, protocol version, key size, certificate chain, SAN list. Webhook alerts for expiring certs. 5 domains free.

Full DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA) + RDAP WHOIS (registration, expiry, registrar, nameservers, domain age). Domain availability check. 10 domains free.

Domain Age Checker

automation-lab/domain-age-checker

Check domain age and registration dates in bulk using RDAP — the modern WHOIS replacement. Returns registration date, expiration date, registrar, nameservers, and age in days/years. Ideal for SEO analysis, fraud detection, and domain research.

Domain Ownership Checker

trovevault/domain-ownership-checker

Check registration dates, expiry, registrar, and availability status for any number of domains at once, without the one-at-a-time limitation of manual lookups. Uses RDAP (the modern replacement for WHOIS) to pull live data directly from domain registries. No API keys. No proxies. Results in seconds.

Domain Availability, Expiry, WHOIS, DNS, IP, ASN, 70+ TLD

datascoutapi/DomainDaddy

Domain availability and expiry dates, WHOIS & RDAP data, DNS (A, MX, NS, TXT), IP geolocation and ASN details, calculates domain age, and supports batch processing. Supports 70+ TLDs, handles errors gracefully, and delivers clean, structured JSON output.

WHOIS Lookup

automation-lab/whois-lookup

WHOIS Lookup queries WHOIS servers for domain registration data. It returns structured information about who registered the domain, when it was created, when it expires, which registrar manages it, and the name servers it uses.

DNS, WHOIS, SPF/DMARC, SSL Domain Audit

jungle_synthesizer/dns-domain-audit

Bulk domain audit covering DNS records, WHOIS registration, SPF/DMARC/DKIM email auth, SSL certificate, and reverse DNS. No browser, no proxy -- pure Node, sub-second per domain.

Cybersecurity Intelligence MCP Server

ryanclinton/cybersecurity-intelligence-mcp

MCP intelligence server for cybersecurity intelligence detection and analysis.