Question and response
Question
dig spf.postal.k.io. TXT
Answer
spf.postal.k.io. 3600 TXT "v=spf1 ip4:77.72.0.49/28 ip4:185.53.56.20 ip4:185.22.211.92/32 ip6:2a03:2800:300::/64 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0