Domains with DNS TXT v=spf1 mx ip4:176.28.48.113 include:spf.protection.outlook.com include:relay.brennercom.net -all
There is 1 domain that have DNS TXT set to v=spf1 mx ip4:176.28.48.113 include:spf.protection.outlook.com include:relay.brennercom.net -all.