nemunas.sc-uni.ktu.lt has one IP number , which also has a corresponding reverse pointer. lm.lt, tv.lt, am.lt, lei.lt, 4wd.lt and at least 100 other hosts use this as a nameserver. vytautas.vdu.lt use this as a mailserver. sc-uni.ktu.lt is a domain controlled by three nameservers. Two of them are on the same IP network. Incoming mail for sc-uni.ktu.lt is handled by two mailservers at ktu.lt. They are on the same IP network. sc-uni.ktu.lt has one IP number , but the reverse is a.tld.lt. nemunas.sc-uni.ktu.lt is hosted on a server in Lithuania.