Free & Open Source WHOIS Lookup Service
Our public API is free to use without needing any authentication or CORS headers.
curl https://who-dat.as93.net/example.com
Self-hosting Who Dat is easy! Either pull the Docker image, use the 1-click Vercel deploy, or the download or build the binary yourself.
docker run -p 8080:8080 lissy93/who-dat
Or