Check any domain's SSL certificate.
Expiry, issuer, SANs and chain validity.
Enter a domain name to inspect its certificate — see when it expires, who issued it, what names it covers, and whether the chain is trusted.
An SSL certificate check reads a site's live HTTPS certificate — the issuer, expiry date, every hostname it covers, and whether the chain validates to a trusted root. The quick way to catch a certificate before it expires and throws browser warnings. Free and instant, no login or rate limits.
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Website X-Ray
A live scan across SSL, performance, security headers, DNS and email protection — 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 more — then register it in a couple of clicks.
Check a domainWHOIS Lookup
Look up registrar details, registration and expiry dates, and nameservers for any domain.
Run a WHOIS lookupDNS Lookup
Query all DNS records for any domain — A, AAAA, CNAME, MX, TXT, NS, SOA, SPF, DMARC and more.
Run a lookupName Server Lookup
Look up just the name servers for a domain, straight from the registry, plus its SOA record.
Run a name server lookupQR Code Generator
Turn any link or text into a scannable QR code — black-on-white or white-on-black, free to download.
Generate a QR codeAll Tools
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