Domains with DNS TXT v=spf1 a include:u4074234.wl235.sendgrid.net include:_spf.google.com include:mailgun.org ~all
There is 1 domain that have DNS TXT set to v=spf1 a include:u4074234.wl235.sendgrid.net include:_spf.google.com include:mailgun.org ~all.