mail.phillips.co.th has one IP number , which is the same as for phillips.co.th, but no corresponding reverse pointer. 4h.co.th, rcgen.com, mws.ac.th, s-171.com, csneng.com and at least 65 other hosts point to the same IP. phillips.co.th use this as a mailserver. phillips.co.th is delegated to two nameservers, however both delegated nameservers are missing in the zone and one other nameserver is listed. Two nameservers have the same IP number. They are on the same IP network. Incoming mail for phillips.co.th is handled by one mailserver at phillips.co.th themselves. mail.phillips.co.th is hosted on a server in Thailand.