WHOIS / WhoisXML Replacement — RDAP-Powered Lookup

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.

IPinfo gutted its free tier. MaxMind wants a license key. Here's the drop-in replacement: country, region, city, lat/lng, ASN, timezone, VPN/proxy heuristics — unified JSON schema, $0.0005/IP.

Domain Checker Brazil (.com.br .com .net)

cloway/domain-checker-br

Verifica disponibilidade de dominios .com.br, .com e .net via protocolo RDAP. Lote ate 50 dominios. Gratuito. Tempo real, sem API key.

Domain Age Checker

automation-lab/domain-age-checker

Check domain age and registration dates in bulk using RDAP — the modern WHOIS replacement. Returns registration date, expiration date, registrar, nameservers, and age in days/years. Ideal for SEO analysis, fraud detection, and domain research.

Domain History Checker

trovevault/domain-history-checker

Research the full history of any domain: how old it is, what content it used to host, whether it was ever used for malware or spam, and whether it has any blacklist flags. Essential for domain buyers, SEO professionals, and more who need to do due diligence before acquiring an expired domain.

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.

MCP intelligence server for cybersecurity intelligence detection and analysis.

Look up WHOIS data, DNS records, SSL certificates, and tech stack for any domain. Bulk domain research for lead generation, SEO audits, domain investing, and competitive intelligence. Uses RDAP, DNS-over-HTTPS, Certificate Transparency, and web WHOIS providers.

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.

Bulk tech stack detection from any website. Uses OSS Wappalyzer fingerprint rulesets (6000+ technologies across 100+ categories) via HTTP analysis. Replaces the paywalled Wappalyzer API.