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.
The same diagnostic tools our engineers use every day — domain checker, WHOIS, DNS, SSL and name server lookups. Fast, accurate, and free for everyone: no account, no rate limits. More get added as we build them for ourselves.
What's available right now.
Website X-Ray
A live external scan of any website — SSL, response time, security headers, DNS, email protection and more, translated into plain English as it runs.
Scan a websiteDomain Checker
Check if a domain name is available to register across .com.au, .au, .com and .net.au at once — live from the registry. Found the one you want? Register it in a couple of clicks.
Check a domainDNS 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 lookupName Server Lookup
Look up the name servers for any domain, straight from the registry, plus its SOA record. Confirm a DNS delegation or migration has propagated correctly.
Run a name server lookupQR Code Generator
Turn any link or text into a scannable QR code — black-on-white or white-on-black. Generated in your browser and free to download as a PNG.
Generate a QR code