Question and response
Question
dig mxhichina.com. NS
Answer
mxhichina.com. 86400 NS dns1.hichina.com.
mxhichina.com. 86400 NS dns2.hichina.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0