Whois Docker Sandbox
Use it to know who is owner of a DNS or IP.
Using on docker
Get image from Docker Hub
docker pull airtonzanon/whois:latest
Run whois docker
docker run -it --rm airtonzanon/whois:latest dns-or-ip
Example
docker run -it --rm airtonzanon/whois:latest airtonzanon.com
Thanks to Jess