Checker Tools

Check & verify domains, IPs, SSL certificates, and more.

Quickly retrieve all DNS records for any domain name. Our DNS lookup...

Enter any IP address to instantly reveal its geographic location, internet service...

Reverse IP Lookup

A reverse IP lookup reveals every domain name that resolves to the...

Verify the SSL/TLS certificate on any domain in seconds. Our SSL lookup...

Look up domain ownership and registration details with our free WHOIS lookup...

Test whether a host is reachable and measure its response time with...

Verify whether a domain supports HTTP/2 or HTTP/3 with our instant protocol...

Safe URL Checker

Before you click an unknown link, scan it with our safe URL...

Web Risk Checker

Check any URL against Google Web Risk — the enterprise-grade version of...

URL Redirect Checker

Trace the complete redirect path of any URL, step by step. Our...

Website Hosting Checker

Find out exactly where any website is hosted with our free hosting...

Gravatar Checker

Find out if an email address is registered with Gravatar and view...

Password Strength Checker

Measure how strong your password really is with our client-side password strength...