mail.hepinger.com has one IP number. benz.la, mumun.la, phunu.com, gusdur.la, helel.net and at least 100 other hosts point to the same IP. hepinger.com use this as a mailserver. hepinger.com is delegated to two nameservers, however both delegated nameservers are missing in the zone and two other nameservers are listed instead. All of them are on the same IP network. Incoming mail for hepinger.com is handled by one mailserver at hepinger.com themselves. hepinger.com has one IP number.