web3.lubi.se has one IP number , which is the same as for lubi.se. web3.lubi.se also has a corresponding reverse pointer. kaj.se, jgs.se, lubi.se, lots.se, mindo.se and at least 52 other hosts point to the same IP. lubi.se is a domain controlled by three nameservers. All of them are on different IP networks. Incoming mail for lubi.se is handled by one mailserver at lubi.se themselves. web3.lubi.se is hosted on a server in Sweden.