Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:178.16.56.139 ~all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:178.16.56.139 ~all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:178.16.56.139 ~all