Official DNS of ISP in Singapore

ISP Name: MyRepublic
DNS server 1: 103.11.48.126
DNS server 2: 103.11.48.190

ISP Name: M1 fiber
DNS server 1: 202.65.242.50
DNS server 2: 202.65.242.46

ISP Name: Singtel
DNS server 1: 165.21.83.88
DNS server 2: 165.21.100.88

ISP Name: StarHub
DNS server 1: 202.156.1.16
DNS server 2: 218.186.2.16

ISP Name: ViewQuest
DNS server 1: 202.73.37.3
DNS server 2: 202.73.37.11