Domains with DNS TXT v=spf1 a:mx.twynhamlearning.com mx:mx.twynhamlearning.com include:spf.ess.uk.barracudanetworks.com include:spf.protection.outlook.com -all
There are 14 domains that have DNS TXT set to v=spf1 a:mx.twynhamlearning.com mx:mx.twynhamlearning.com include:spf.ess.uk.barracudanetworks.com include:spf.protection.outlook.com -all. The top 14 records ordered by domain rank are listed below.