HTTP Header Checker
View raw response headers, server software, caching, security headers and content type of any URL.
Fetching live data…
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WHOIS Lookup
Retrieve real domain registration data: registrar, creation/expiry dates, name servers and status.
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Query live A, AAAA, MX, NS, TXT, CNAME, SOA and SRV records for any domain.
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Inspect the live TLS certificate: issuer, validity dates, days remaining and SAN domains.
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Trace the full redirect chain (301/302/307) of a URL and verify the final status code.
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Resolve a domain/IP and get real geolocation, ISP, ASN and hosting organization data.
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