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.

Bulk Company Name to Domain Finder — Website, Logo & Match

haketa/bulk-company-domain

Turn a list of company names into their website domains in bulk. For each company get the domain, resolved name, logo, favicon and alternative matches — with a DNS fallback so it resolves companies others miss. Fast, keyless company-to-domain resolver for lead enrichment and CRM.

Domain Availability Checker

onescales/domain-availability-checker

Check domain availability in bulk using RDAP/WHOIS lookups. Get instant availability status, registrar info, and method for hundreds of domains at once.

Bulk Domain Checker

kawsar/bulk-domain-checker

Bulk domain checker that extracts domain availability status across 80+ extensions so you can find unregistered names fast. A powerful domain finder tool that helps you secure the best domain for your business or personal website.

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.

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.

Username Availability Checker 🔍

easyapi/username-availability-checker

Check username availability across 80+ platforms including Twitter, Instagram, YouTube, GitHub, and more! Get instant results with platform logos, URLs, and availability status. Essential tool for brand research, social media management, and digital presence optimization. 🔍

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 Domain Authority Checker

blueskyscraper/bulk-domain-authority-checker

[from $4.50/1K domains] Check domain authority for thousands of domains in one run: domain rank 0–100, backlinks, dofollow/nofollow, referring domains and IPs, spam score, first seen, 30-day new/lost links, organic traffic. Empty domains free. No run fee.