Question and response
Question
dig int.nic.ru. NS
Answer
int.nic.ru. 3600 NS pdns2.infra.nic.ru.
int.nic.ru. 3600 NS pdns3.infra.nic.ru.
int.nic.ru. 3600 NS pdns1.infra.nic.ru.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0