Domain WHOIS Lookup - Age, Expiry, Registrar, DNS

Supernet WHOIS Lookup

superlativetech/supernet-whois-lookup

WHOIS domain registration data for any domain. Registrar, expiry dates, domain age, registrant, nameservers, DNSSEC. Domain ownership enrichment for lead scoring, expiry monitoring, fraud detection, and due diligence. Batch thousands or query one instantly via Standby API.

Supernet Domain Health - Email Reputation Audit

superlativetech/supernet-domain-health

Email authentication and deliverability audit for any domain. Checks SPF, DKIM, DMARC, MX, blacklists, SSL, WHOIS, BIMI, MTA-STS — returns a 0-100 health score with actionable fixes. Sending or receiving mode. Batch thousands or query one via instant API.

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.

Supernet DNS Lookup

superlativetech/dns-lookup

Bulk DNS records lookup. Query MX, SPF, DMARC, DKIM, TXT, CNAME, A, AAAA, NS, SOA and reverse DNS for any domain or IP. Batch thousands or query one instantly using the Standby API. For email reputation scoring, see Supernet Domain Health. For whois, see Supernet Whois.

Domain Intelligence Scraper

benthepythondev/domain-intelligence-scraper

Extract domain registration data including age, expiry dates, registrar, nameservers, and DNSSEC status using free RDAP/WHOIS APIs. Perfect for SEO, lead generation, and security research

Domain Age Checker

onescales/domain-age-checker

Bulk domain age lookup tool. Get registration date, expiration date, and domain history for hundreds of domains at once. Supports .com, .co.uk, .io, .ai, and 100+ TLDs.

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.

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.

Company Enrichment API - Domain to Company Intel

george.the.developer/company-enrichment-api

Turn any domain into rich company data: tech stack, social profiles, contact info, WHOIS, SEO metrics, and more. No API key needed.

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.