Question and response
Question
dig spf.postal.labs.k.io. TXT
Answer
spf.postal.labs.k.io. 3600 TXT "v=spf1 ip4:185.22.208.0/22 ip4:77.72.0.48/28 ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0