Free Online Tools
A growing toolkit for domain research, DNS troubleshooting, and security analysis. Free to use, no signup required.
Domain WHOIS Lookup
Find out who owns a domain, when it expires, and which registrar manages it.
Try itDNS Lookup
Resolve all DNS record types for a domain in milliseconds.
Try itDNS Propagation Checker
Check DNS propagation across global resolvers in seconds.
Try itSSL/TLS Certificate Checker
Check SSL certificates for expiry, validity, and protocol strength.
Try it