Summary
nsmaster.telia.se has one IP number , which also has a corresponding reverse pointer.
ns.telia.se and
ns3.swis.se point to the same IP.
telia.se is a domain controlled by three nameservers at
telia.se themselves. Two of them are on the same IP network. Incoming mail for
telia.se is handled by two mailservers also at
telia.se having a total of three IP numbers. Two of them are on the same IP network.
telia.se has one IP number.
nsmaster.telia.se is hosted on a server in Sweden.