Domains with DNS TXT v=spf1 ip4:51.81.43.87 include:relay.thundermail.uk +a +mx +ip4:147.135.3.2 include:spf.mail-gw.thundermail.uk ~all

There are 38 domains that have DNS TXT set to v=spf1 ip4:51.81.43.87 include:relay.thundermail.uk +a +mx +ip4:147.135.3.2 include:spf.mail-gw.thundermail.uk ~all. The top 38 records ordered by domain rank are listed below.