Domains with DNS TXT v=spf1 include:spf.protection.outlook.com ip4:91.134.4.120 +a +mx ~all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com ip4:91.134.4.120 +a +mx ~all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com ip4:91.134.4.120 +a +mx ~all