Question and response
Question
dig 0-127.186.168.194.in-addr.arpa. NS
Answer
0-127.186.168.194.in-addr.arpa. 3600 NS ns2.server-centre.net.
0-127.186.168.194.in-addr.arpa. 3600 NS ns1.server-centre.net.
Authority
The response has no authority records.
Additional
ns2.server-centre.net. 3600 A 37.143.143.132
ns1.server-centre.net. 3600 A 80.4.150.69
. 0 OPT ; payload 4000, xrcode 0, version 0, flags 0