Bulk Domain Availability Checker (RDAP + DNS)

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.

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.

Bulk Domain Strength Checker

searchshark/bulk-domain-strength-checker

Score and qualify domains in bulk using transparent registration age, DNS, website availability, HTTPS certificate health, indexability, and homepage SEO signals. No API keys or paid data providers required.

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.

Domain Age Checker — Bulk RDAP + WHOIS Lookup

prodiger/domain-age-checker

Bulk-check domain age, registration date, expiry, registrar, nameservers, DNSSEC, and EPP status codes via IANA-bootstrapped RDAP with port-43 WHOIS fallback for ccTLDs (.de, .ru, .jp, .kr, .cn, .it, .br, .es, .pl, .nl).

Bulk Domain Rating Checker

datascraperes/bulk-domain-rating-checker

Check Domain Rating by Ahrefs for up to 10,000 domains or URLs with clean three-field results, resilient retries, and transparent per-result pricing.

Bulk Domain Authority & Backlink Checker (Ahrefs Alternative)

jesting_grass/bulk-domain-authority-checker

Check domain authority and backlinks for thousands of domains: domain rank 0-100, referring domains, backlinks, dofollow/nofollow and 30-day changes. Cheap Ahrefs / Moz / Semrush alternative for link building and SEO audits. Pay per domain.

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 (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.