Question and response
Question
dig _spf-ipv4.yandex.ru. AAAA
Answer
_spf-ipv4.yandex.ru. 600 AAAA 2a02:6b8:0:0:0:0:0:242
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0