DNS & Web Toolsoverview of tools

One place for DNS checking, index searching, subdomains, robots.txt, SSL and IP analysis.

DNS

Instant DNS record check including TTL, DNSSEC and configuration errors.

Explore historical DNS records and track domain changes over time.

Full-text search and filtering in our DNS index across domains.

Discover subdomains from DNS, certificates and public sources.

Verify TLS certificate details, chain, expiration and hostname match.

Download and validate robots.txt syntax, test user-agent rules.

WHOIS, reverse DNS, geolocation, ASN and domains hosted on IP.

Your public IP address, hostname, protocol and network info.

Complete list of Tor exit nodes and relays with geolocation data.