Domains with DNS TXT v=spf1 ip4:207.55.240.17 +a +mx +v=spf1include:_spf.google.com~all ~all

There is 1 domain that have DNS TXT set to v=spf1 ip4:207.55.240.17 +a +mx +v=spf1include:_spf.google.com~all ~all.

Top Domains with TXT set to v=spf1 ip4:207.55.240.17 +a +mx +v=spf1include:_spf.google.com~all ~all