Incoming mail for oron.mas.lu.se is handled by two mailservers at net.lu.se. They are on the same IP network. st.lu.se, kc.lu.se, ch.lu.se, fil.lu.se, cob.lu.se and at least 55 other hosts share mailservers with this domain. Incoming mail for mas.lu.se is handled by two mailservers also at net.lu.se. They are on the same IP network.