Question and response
Question
dig sdn.spb.ru. TXT
Answer
sdn.spb.ru. 86400 TXT "v=spf1 ip4:46.229.216.72 ip4:46.229.216.132 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0