Domains with DNS TXT v=spf1 include:_spf.google.com mx:sendgrid.net include:spf.emailsignatures365.com include:post.dearsystems.com ~all
There is 1 domain that have DNS TXT set to v=spf1 include:_spf.google.com mx:sendgrid.net include:spf.emailsignatures365.com include:post.dearsystems.com ~all.