dns3.bigpond.com.kh has no NS records.
NS records for this zone are defined at bigpond.com.kh.
NS records for this zone are defined at bigpond.com.kh.
Question and response
Question
dig dns3.bigpond.com.kh. NS
Answer
The response has no answer records.
Authority
bigpond.com.kh. 86400 SOA dns1.online.com.kh. hostmaster.online.com.kh. 2022030701 14400 3600 691200 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0