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