Domains with DNS TXT v=spf1 ip4:149.255.62.23 include:relay.thundermail.uk +a +mx include:spf.filteredmx.net ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:149.255.62.23 include:relay.thundermail.uk +a +mx include:spf.filteredmx.net ~all.