Domains with DNS TXT v=spf1 a include:spf.protection.outlook.com ip4:5.75.180.134 ip4:167.235.52.172 ip4:144.76.54.104 -all
There is 1 domain that have DNS TXT set to v=spf1 a include:spf.protection.outlook.com ip4:5.75.180.134 ip4:167.235.52.172 ip4:144.76.54.104 -all.