Inspect HTTP response headers, status codes, and server configuration for any URL.

Check SSL certificate validity, expiry date, issuer, and chain for any domain.

Trace the full redirect chain for any URL and identify redirect loops or inefficiencies.

Query DNS records (A, AAAA, MX, TXT, NS, CNAME) for any domain.

Check how a DNS record has propagated across resolvers worldwide.

Check when a domain registration expires so you never lose it by accident.

Validate email authentication records — SPF, DKIM, and DMARC — for any domain.

Retrieve registration data, registrar, nameservers, and contact info for any domain.

Instantly see your current public IP address, ASN, and geolocation.