Domains with DNS TXT v=spf1 +ip4:216.194.162.240 +include:relay.mailchannels.net +include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 +ip4:216.194.162.240 +include:relay.mailchannels.net +include:spf.protection.outlook.com -all.