Domains with DNS TXT v=spf1 a mx include:spf.ccsderby.co.uk include:spf.protection.outlook.com ptr include:secureserver.net ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.ccsderby.co.uk include:spf.protection.outlook.com ptr include:secureserver.net ~all.