Question and response
Question
dig smtp.pakt.spb.ru. NS
Answer
smtp.pakt.spb.ru. 5 CNAME smtp.pakt.ru.
Authority
pakt.ru. 10392 SOA adns1.pakt.ru. noc.pakt.ru. 2026030804 43200 7200 2592000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0