Domains with DNS TXT v=spf1 ip4:207.55.244.8 ip4:207.55.244.15 include:spf.protection.outlook.com +include:relay.mailchannels.net-all
There is 1 domain that have DNS TXT set to v=spf1 ip4:207.55.244.8 ip4:207.55.244.15 include:spf.protection.outlook.com +include:relay.mailchannels.net-all.