mx4.mailpod13-cph3.g1i.hostnet.nl has address 185.10.9.149
This page provides an online version of the OS hostname and whois commands. It allows you to retrieve publicly available DNS and Whois information for any website or hostname through a single interface.
Host Info
cleantalk.org:~$ host mx4.mailpod13-cph3.g1i.hostnet.nl
mx4.mailpod13-cph3.g1i.hostnet.nl has address 185.10.9.149
Whois info
cleantalk.org:~$ whois mx4.mailpod13-cph3.g1i.hostnet.nl
Error: subdomains such as mx4.mailpod13-cph3.g1i.hostnet.nl are not supported