Summary
ans2.cw.net has one IP number , which also has a corresponding reverse pointer.
euro-ns2.cw.net point to the same IP.
cw.net,
cw.com,
vacom.de,
diako.de,
cwhkt.net and at least 100 other hosts use this as a nameserver.
cw.net is a domain controlled by two nameservers at
cw.net themselves. They are on different IP networks. Incoming mail for
cw.net is handled by two mailservers having a total of 23 IP numbers. Some of them are on the same IP network.
ans2.cw.net is hosted on a server in Europe.