Question and response
Question
dig erlang.ru. NS
Answer
erlang.ru. 3600 NS ns.sco.ru.
erlang.ru. 3600 NS ns2.sco.ru.
Authority
The response has no authority records.
Additional
. 0 OPT [{Extended_DNS_Error: PROHIBITED}] ; payload 1232, xrcode 0, version 0, flags 0