Why Singapore Domain Registrar is different from .COM Domain Registrar
Singapore Domain .com.sg, .sg, or xxxx.sg is manage by Singapore Network Information Centre (SGNIC) Pte Ltd to provide Internet registry and information services in an efficient, effective and reliable manner to enhance the security, stability and resiliency of the Internet Domain Name System (DNS) infrastructure in Singapore and to foster the integrity and growth of .SG domain names. The difference between some .COM domain registrar is the capability to manage. Some Singapore domain registrar do not allow you to manage the NAMESERVER, usually when you purchase Singapore domain they will ask you Nameservers or if you skip that part then Registrar will use their own default Nameserver, as Nameserver is one of the pre-requisite for Singapore domain and you cannot leave it blank. THIS IS HOW IT WORKS. NORMAL PEOPLE THINK THIS IS POSSIBLE, WHICH IS NOT POSSIBLE. HERE's the another way