mailgate.pccw.com has no NS records.
NS records for this zone are defined at pccw.com.
NS records for this zone are defined at pccw.com.
Question and response
Question
dig mailgate.pccw.com. NS
Answer
The response has no answer records.
Authority
pccw.com. 10800 SOA dns3.pccw.com. dnsadmin.pcg-group.com. 2026021201 108000 3600 3600000 108000
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0