DNS & Web Toolsoverview of tools

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

Available Tools

Start with DNS Records Checker for quick diagnostics; for broader exploration use DNS Explorer and Subdomain Finder.

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

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

Discover subdomains from DNS, certificates, reverse records and public sources.

Download and verify robots.txt, validate syntax and test what's allowed for specific user-agent.

Display TLS certificate details and chain, verify expiration and hostname match.

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

Discover your public IP address, hostname, protocol type, and network information.