Domains with DNS TXT v=spf1 a mx include:spf.protection.outlook.com ip4:91.221.151.233 ip6:2001:67c:16b4:1042::175 -all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.protection.outlook.com ip4:91.221.151.233 ip6:2001:67c:16b4:1042::175 -all.