Bulk Domain Availability & RDAP WHOIS Checker

Domain Registration Lookup Scraper

automation-lab/domain-rdap-lookup

Look up domain registration, registrar, status, nameserver, and expiry data through authoritative public RDAP services.

Domain Availability Checker

scrap3r/domain-availability-checker

Think of it as an enhanced version of traditional domain checkers, optimized for speed and reliability. Just enter your desired domain name, and get instant results on its availability and related metrics—all at lightning-fast speeds. Start checking domain availability.

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.

Bulk WHOIS Domain Lookup: Age, Expiry, Registrar, DNS & SSL

fguiraud/bulk-whois-domain-lookup

Bulk WHOIS lookup for any list of domains or a Google Sheet: registrar, creation date, domain age, expiry date, registered or available, nameservers, DNS, MX, email provider, SPF/DMARC and SSL expiry. One flat row per domain, ready for Excel. RDAP + WHOIS for 1,000+ 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 Availability Checker

thescrappa/domain-availability-checker

Check domain registration status and registry events using public RDAP records. Submit one domain or a batch of names to check their current RDAP registration status.

Whois RDAP Lookup & Domain Ownership Checker API

dev00/whois-rdap-lookup-domain-ownership-checker-api

Query domain registration details (WHOIS) via standard RDAP with automatic fallback and clean JSON responses.

Check thousands of domains at once: available or registered, registrar, creation and expiry dates, days to expiry, nameservers, EPP status, DNSSEC. Uses official registry RDAP (the WHOIS successor) for 1,200+ TLDs, plus name-idea x TLD generator. No API key.

Domain Availability Checker (bulk)

bgfc97/domain-availability-checker

Check in bulk whether domains are available or already registered, via official RDAP. Expand a name across many TLDs, or pass a domain list. Shows expiry and registrar for taken ones. For domainers and brand protection. No key, no proxy.

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.