Domains with DNS TXT v=spf1 ip4:18.169.254.244 include:relay.mailchannels.net +a +mx +include:spf.protection.outlook.com ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:18.169.254.244 include:relay.mailchannels.net +a +mx +include:spf.protection.outlook.com ~all.