go
234.80-203-209.nextgentel.com has one IP number. mail.hitc.no point to the same IP. 80-203-209.nextgentel.com is a domain controlled by two nameservers at nextgentel.net. They are on the same IP network. 234.80-203-209.nextgentel.com is hosted on a server in Norway.

234.80-203-209.nextgentel.com
a records
 
+ 80.203.209.234 80.203.0.0/16 AS15659  
+ ---  

80-203-209.nextgentel.com
ns records
dns01.nextgentel.net
+ 217.13.4.21 217.13.0.0/19 AS15659 -
+ --- -
dns02.nextgentel.net
+ 217.13.7.136 217.13.0.0/19 AS15659 -
ip numbers of host
80.203.209.234
hostnames sharing ip with a-records
mail.hitc.no
domains using this as mailserver under another name
hitc.no