Question and response
Question
dig _spf.message-flow.net. TXT
Answer
_spf.message-flow.net. 300 TXT "v=spf1 ip4:91.230.36.31 ip4:91.220.97.0/24 ip4:188.214.16.0/24 ip4:188.214.19.0/24 ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0