Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:secureserver.net exists:%{i}.mta.spf.extendcp.co.uk exists:%{i}.web.spf.extendcp.co.uk -all

There are 40 domains that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:secureserver.net exists:%{i}.mta.spf.extendcp.co.uk exists:%{i}.web.spf.extendcp.co.uk -all. The top 40 records ordered by domain rank are listed below.