Incoming mail for ph.u-net.com is handled by two mailservers at u-net.net. Two mailservers have the same IP number. u-net.com, rem.co.uk, my0.co.uk, vis.co.uk, muji.co.uk and at least 65 other hosts share mailservers with this domain. www.ph.u-net.com are subdomains to this hostname. u-net.com is a domain controlled by three nameservers at clara.net. All of them are on different IP networks. Incoming mail for u-net.com is handled by four mailservers. There are three duplicated IP numbers.