Domains with DNS TXT v=spf1 ip4:37.59.29.91 ip4:51.91.221.105 +a +mx ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:37.59.29.91 ip4:51.91.221.105 +a +mx ~all.
There is 1 domain that have DNS TXT set to v=spf1 ip4:37.59.29.91 ip4:51.91.221.105 +a +mx ~all.