Domains with DNS TXT v=spf1 +include:_spf.google.com +include:_spf.backcheckgroup.com -all
There is 1 domain that have DNS TXT set to v=spf1 +include:_spf.google.com +include:_spf.backcheckgroup.com -all.
There is 1 domain that have DNS TXT set to v=spf1 +include:_spf.google.com +include:_spf.backcheckgroup.com -all.