ns.thnic.net has one IP number , which also has a corresponding reverse pointer. ns-d.thnic.co.th point to the same IP. th, co.th, in.th, mi.th, ac.th and at least 42 other hosts use this as a nameserver. thnic.net is a domain controlled by four nameservers. All of them are on different IP networks. thnic.net has one IP number. ns.thnic.net is hosted on a server in Thailand.