Question and response
Question
dig spfa.protection.outlook.com. TXT
Answer
spfa.protection.outlook.com. 600 TXT "v=spf1 ip4:157.56.112.0/24 ip4:207.46.51.64/26 ip4:64.4.22.64/26 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:134.170.140.0/24 include:spfb.protection.outlook.com ip6:2001:489a:2202::/48 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0