Domain Compare

Compare domains side by side: registrar and dates, name servers, DNS, mail authentication, web and security posture, to see how they differ.
sync_alt

Runs in your browser and on our edge servers

DNS questions go from your browser to public resolvers; HTTP checks go through a dotbunker edge server. Nothing is stored.

Data sources

dotbunker WHOIS API · DNS over HTTPS · Cloudflare · Google · HTTP · dotbunker edge