Domain WHOIS & DNS Lookup

Check thousands of domains at once: available or registered, plus registrar, creation and expiry dates, days until expiry, and nameservers. Check a name across many TLDs, or find domains expiring soon. Uses official RDAP, the modern WHOIS. Free.

Domain Age History Checker — WHOIS & Wayback Lookup

perryay/domain-age-history-checker

Check the registration age and history of any domain using WHOIS data and Wayback Machine archives. Returns creation date, expiration date, registrar, DNS records, domain age in days/years, and oldest archived snapshot. Supports single and batch mode up to 50 domains.

Domain Lead Qualifier – WHOIS + DNS Email-Readiness Score

emastra/domain-intelligence

Upload a list of domains → get age, registrar, MX/SPF/DMARC status, TLS info, hosting org, and a green/red “email-ready lead score.” Perfect for SDRs, lead-gen agencies, list vendors, and growth teams who don’t want to waste time emailing dead domains.

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.

Domain Availability Checker — Bulk DNS & WHOIS Lookup

automation-lab/domain-availability-checker

Check exact domain names in bulk and return available/registered verdicts with DNS/WHOIS method, registrar, creation/expiry dates, name servers, timing, and errors in structured JSON.

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.

Sanctions Screening – OFAC, EU, UK, UN Lists

sfoln/sanctions-screening

Screen people, companies, vessels and aircraft against the official OFAC SDN and Consolidated, UN Security Council, EU and UK sanctions lists. Fuzzy, alias-aware matching with transliteration, date-of-birth and country checks, and list versions stamped on every result. $3 per 1,000 names.

Bulk Domain Intelligence: WHOIS/RDAP, DNS, SSL, Availability

cottony_brittlegill/domain-intelligence-bulk

Bulk domain lookup: RDAP/WHOIS registration data, DNS records, SSL certificate and registration availability for up to 100k domains in one normalized JSON per domain. Failed lookups are never charged.

Domain Inspector

visita/domain-inspector

A powerful, all-in-one tool to perform DNS lookups, WHOIS queries, HTTP status checks, and SSL certificate validation for a list of domains. It can clean full URLs down to the bare domain (e.g., https://www.apify.com/store → apify.com) and run all checks in a single batch.

Full public record for any domain: DNS records of every type, RDAP registration details, mail security posture (SPF, DMARC, DKIM), detected providers, and every subdomain and SSL certificate from the Certificate Transparency logs.