Question and response
Question
dig _spf.yandex.ru. TXT
Answer
_spf.yandex.ru. 3600 TXT "v=spf1 include:_spf-ipv6.yandex.ru include:_spf-ipv4-yc.yandex.ru ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1024, xrcode 0, version 0, flags 0