*.ambras.se has one IP number , which is the same as for ambras.se, but the reverse is srv104.one.com. aab.se, nlp.se, nark.se, djbm.dk, shif.dk and at least 100 other hosts point to the same IP. ambras.se is a domain controlled by three nameservers at b-one.nu. Two of them are on the same IP network. Incoming mail for ambras.se is handled by two mailservers at one.com. They are on the same IP network. *.ambras.se is hosted on a server in Denmark even though the hostname implies Sweden.