Domains with DNS TXT v=spf1 ip4:149.255.58.19 include:spf.protection.outlook.com include:relay.thundermail.uk +a +mx ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:149.255.58.19 include:spf.protection.outlook.com include:relay.thundermail.uk +a +mx ~all.