Domains with DNS TXT v=spf1 ip4:66.115.171.6 include:spf.protection.outlook.com include:spf-ca.emailsignatures365.com -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:66.115.171.6 include:spf.protection.outlook.com include:spf-ca.emailsignatures365.com -all.