Question and response
Question
dig post.at. NS
Answer
post.at. 3600 NS dns3.a1.net.
post.at. 3600 NS dns1.a1.net.
post.at. 3600 NS dns2.a1.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0