Question and response
Question
dig anet.net.tw. NS
Answer
anet.net.tw. 600 NS dns1.tfn.net.tw.
anet.net.tw. 600 NS dns2.tfn.net.tw.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0