Thai Name Server Co., Ltd. (ThaiNS), serves Domain Name System (DNS) of “.th” and “.ไทย” country code Top Level Domain (ccTLD) under the policies oversight of the Thai Network Information Center Foundation (THNICF). Since 2009, ThaiNS has signed (enabled DNSSEC) the zone file of the Domain Name System (DNS) and has been regarded as “DNSSEC Secure”. By using the test tools, DNSSEC Debugger of Verisign Labs, and DNSViz (DNS Visualization Tool), signed process completely passed all tests. The registry operator, ThaiNS, still keep maintaining the highest level of DNS security to make sure that Internet users will get IP address with confident.