RDAP Domain Monitor API | Ownership + Expiry

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

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.

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.

Look up WHOIS and RDAP registration data for any domain in bulk. Get registrar details, creation and expiry dates, nameservers, domain age, registrant info, DNSSEC status, and EPP status codes -- all without needing any API key.

SSL Certificate Monitor API | Expiry + Issuer Changes

taroyamada/ssl-certificate-monitor

Check SSL/TLS certificates in bulk, detect expiry and issuer changes, and emit alert-ready rows for ops and SEO teams.

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 Availability Checker

ozito/domain-availability-checker

Fast, reliable domain availability checker using RDAP with automatic WHOIS fallback. Check one domain across up to 10 TLDs in a single request. Supports .com, .net, .org, .io, .ai, .dev, .app + custom RDAP endpoints. Structured JSON output with status, source & response time.

Rdap Scraper

bares43/rdap-scraper

Extract comprehensive domain data (dates, registrant info, nameservers, status) using the RDAP protocol. Features built-in expiration monitoring and automated email alerts to ensure you never miss a renewal deadline. Efficiency and domain security in one tool.

Domain Availability Checker

automation-lab/domain-availability-checker

This actor checks any list of domain names to determine if they are registered or available. It first performs a DNS lookup (fast), then a WHOIS query (detailed) to get registration information including the registrar, creation date, and expiry date. Use it for domain name research, brand...

Domain Age Checker

automation-lab/domain-age-checker

This actor checks domain age using the RDAP (Registration Data Access Protocol) — the modern replacement for WHOIS. It retrieves registration date, expiration date, registrar, nameservers, and calculates domain age in days and years. Supports .com, .net, .org, .io, .dev, .app, and many...