mail.prenag.li has one IP number , but the reverse is customers1.21st-century.net. mail.hdc.ch, mail.bah.ch, mail.dhima.ch, mail.allwo.ch, mail.imbibe.ch and at least 30 other hosts point to the same IP. prenag.li use this as a mailserver. prenag.li is delegated to two nameservers, however one extra nameserver is listed in the zone. All nameservers are at 21st-century.net. Two of them are on the same IP network. Incoming mail for prenag.li is handled by two mailservers having a total of six IP numbers. Some of them are on the same IP network. prenag.li has one IP number. mail.prenag.li is hosted on a server in Switzerland even though the hostname implies Liechtenstein.
GREEN .ch AG The Internet Company Autonomous System former TIC The Internet Company AG Autonomous System former VIA NET.WORKS CH Autonomous System former KPNQwest CH Autonomous System former EUnet CH Autonomous System