mail.thai-sbc.org has one IP number , which is the same as for thai-sbc.org, 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. thai-sbc.org use this as a mailserver. thai-sbc.org 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. Some of them are on the same IP network. Incoming mail for thai-sbc.org is handled by one mailserver at thai-sbc.org themselves. mail.thai-sbc.org is hosted on a server in Thailand.