Summary
hegre.uninett.no has one IP number , which also has a corresponding reverse pointer.
nac.no point to the same IP.
4.161.in-addr.arpa use this as a nameserver.
uninett.no is a domain controlled by five nameservers. Two of them are on the same IP network. Incoming mail for
uninett.no is handled by two mailservers. Two mailservers have the same IP number.
uninett.no has one IP number.
hegre.uninett.no is hosted on a server in Norway.