Domains with DNS TXT v=spf1 ip4:149.255.58.81 include:relay.thundermail.uk ip4:149.255.59.21 +mx +a +include:mail.authsmtp.com ~all

There are 4 domains that have DNS TXT set to v=spf1 ip4:149.255.58.81 include:relay.thundermail.uk ip4:149.255.59.21 +mx +a +include:mail.authsmtp.com ~all. The top 4 records ordered by domain rank are listed below.

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