Question and response
Question
dig vnn.vn. NS
Answer
vnn.vn. 300 NS hcm-server1.vnn.vn.
vnn.vn. 300 NS vdc-hn01.vnn.vn.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0