eirene.oderland.com has one IP number , which also has a corresponding reverse pointer. sx.se, hbt.se, pda.se, vtp.se, pica.se and at least 54 other hosts point to the same IP. bb.eirene.oderland.com are subdomains to this hostname. oderland.com is a domain controlled by two nameservers at oderland.com themselves. They are on the same IP network. Incoming mail for oderland.com is handled by four mailservers. Two mailservers have the same IP number. All of them are on the same IP network. oderland.com has one IP number. eirene.oderland.com is hosted on a server in Sweden.