Domains with DNS TXT v=spf1 ip4:51.81.43.89 include:relay.thundermail.uk ip4:147.135.3.6 +a +mx ~all

There are 136 domains that have DNS TXT set to v=spf1 ip4:51.81.43.89 include:relay.thundermail.uk ip4:147.135.3.6 +a +mx ~all. The top 50 records ordered by domain rank are listed below.