Domains with DNS TXT v=spf1 mx include:spf.mtaroutes.com include:spf.emailsignatures365.com ip4:72.138.57.146 include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 mx include:spf.mtaroutes.com include:spf.emailsignatures365.com ip4:72.138.57.146 include:spf.protection.outlook.com -all.