Domains with DNS TXT v=spf1 a mx include:_spf.google.com include:spf.mandrillapp.com include:spf.criticalimpactinc.cominclude:_spf.messagegears.net ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:_spf.google.com include:spf.mandrillapp.com include:spf.criticalimpactinc.cominclude:_spf.messagegears.net ~all.