Domains with DNS TXT v=spf1 ip4:174.142.247.132 include:relay.mailchannels.net include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:174.142.247.132 include:relay.mailchannels.net include:spf.protection.outlook.com -all.