Domains with DNS TXT v=spf1 mx include:_spf.google.com include:servers.mcsv.net include:_spf.salesforce.com mx:sjc.wufoo.com include:spf.happyfox.com -all
There is 1 domain that have DNS TXT set to v=spf1 mx include:_spf.google.com include:servers.mcsv.net include:_spf.salesforce.com mx:sjc.wufoo.com include:spf.happyfox.com -all.