Question and response
Question
dig 172.93.40.217.16clouds.com. NS
Answer
172.93.40.217.16clouds.com. 86400 NS ns1.16clouds.com.
172.93.40.217.16clouds.com. 86400 NS ns2.16clouds.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0