Question and response
Question
dig thpttanphu.com. NS
Answer
thpttanphu.com. 3600 NS ns2.thpttanphu.com.
thpttanphu.com. 3600 NS ns1.thpttanphu.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0