Domains with DNS TXT v=spf1 a include:spf.protection.outlook.com ip4:51.52.88.217 ~all

There is 1 domain that have DNS TXT set to v=spf1 a include:spf.protection.outlook.com ip4:51.52.88.217 ~all.

Top Domains with TXT set to v=spf1 a include:spf.protection.outlook.com ip4:51.52.88.217 ~all