Summary
mail.1-23.com has one IP number , but the reverse is
ns0.ovh.net.
mail.itg.gp,
ns0.ovh.net,
pop3.nyu.ch,
smtp.nyu.ch,
mail.upg.ch and at least 100 other hosts point to the same IP.
1-23.com is delegated to two nameservers, however one delegated nameserver is missing in the zone and three other nameservers are listed. Two nameservers have the same IP number. All of them are on the same IP network. Incoming mail for
1-23.com is handled by five mailservers having a total of 14 IP numbers. Some of them are on the same IP network.
1-23.com has one IP number , but the reverse is
01.promin.net.
mail.1-23.com is hosted on a server in France.