Domains with DNS TXT v=spf1 mx a include:google.com include:aspmx.l.google.com include:verticalresponse.com include:vresp.com -all
There is 1 domain that have DNS TXT set to v=spf1 mx a include:google.com include:aspmx.l.google.com include:verticalresponse.com include:vresp.com -all.