Domains with DNS TXT v=spf1 ip4:152.228.209.79 include:spf.protection.outlook.com include:relay.mailchannels.net -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:152.228.209.79 include:spf.protection.outlook.com include:relay.mailchannels.net -all.