ns1.anydns.ch has one IP number , which also has a corresponding reverse pointer. mwg.ch, ehs.ch, mwk.ch, jocy.ch, poel.ch and at least 83 other hosts use this as a nameserver. anydns.ch is a domain controlled by two nameservers at anydns.ch themselves. They are on the same IP network. Incoming mail for anydns.ch is handled by three mailservers also at anydns.ch. All of them are on the same IP network. ns1.anydns.ch is hosted on a server in Switzerland.