Tools
Free tools for web professionals.
Free tools for web professionals.
DNS lookups and more, no login required.
Handy utilities we built for our own team — available to everyone. No account, no rate limits, no catch.
Available tools
What's available right now.
DNS Lookup
Query all DNS records for any domain — A, AAAA, CNAME, MX, TXT, NS, SOA, SPF, DMARC and more. Useful for diagnosing email issues, verifying DNS propagation, and auditing domain configuration.
Run a lookupSSL Certificate Check
Check the SSL certificate for any domain — expiry date, issuer, SANs, and chain validity. Know before your clients do when a cert is about to expire.
Check a certificateWHOIS Lookup
Look up registrar details, registration and expiry dates, and nameservers for any domain. Handy for checking domain availability and ownership before a client engagement.
Run a WHOIS lookup