Domains with DNS TXT v=spf1 a mx ip4:35.174.145.124 ip4:81.128.136.66 ip4:213.121.203.134 include:spf.messagelabs.com include:spf.protection.outlook.com include:authsmtp.com -all
There is 1 domain that have DNS TXT set to v=spf1 a mx ip4:35.174.145.124 ip4:81.128.136.66 ip4:213.121.203.134 include:spf.messagelabs.com include:spf.protection.outlook.com include:authsmtp.com -all.