Domains with DNS TXT v=spf1 ip4:51.81.43.89 include:relay.thundermail.uk +a +mx +ip4:15.204.128.169 ~all

There are 23 domains that have DNS TXT set to v=spf1 ip4:51.81.43.89 include:relay.thundermail.uk +a +mx +ip4:15.204.128.169 ~all. The top 23 records ordered by domain rank are listed below.