Domains with DNS TXT v=spf1 ip4:23.137.224.252 +a +mx +ip4:23.137.224.106 -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:23.137.224.252 +a +mx +ip4:23.137.224.106 -all.
There is 1 domain that have DNS TXT set to v=spf1 ip4:23.137.224.252 +a +mx +ip4:23.137.224.106 -all.