Domains with DNS TXT v=spf1 include:sendgrid.net include:mailgun.org a:smtp.shocklogic.com a:www5.shocklogic.com include:_spf.createsend.com ~all
There is 1 domain that have DNS TXT set to v=spf1 include:sendgrid.net include:mailgun.org a:smtp.shocklogic.com a:www5.shocklogic.com include:_spf.createsend.com ~all.