gate1.ncs.com.sg has no NS records.
NS records for this zone are defined at ncs.com.sg.
NS records for this zone are defined at ncs.com.sg.
Question and response
Question
dig gate1.ncs.com.sg. NS
Answer
The response has no answer records.
Authority
ncs.com.sg. 900 SOA ns-1164.awsdns-17.org. dnsadmin.ncs.com.sg. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0