Domains with DNS TXT v=spf1 +a +mx +ip4:23.137.224.147 +include:_spf.google.com ~all

There is 1 domain that have DNS TXT set to v=spf1 +a +mx +ip4:23.137.224.147 +include:_spf.google.com ~all.

Top Domains with TXT set to v=spf1 +a +mx +ip4:23.137.224.147 +include:_spf.google.com ~all