Domains with DNS TXT v=spf1 +mx +a +ip4:208.91.198.16 include:_spf.mail.yahoo.com include:sendgrid.net include:mailgun.org ~all
There is 1 domain that have DNS TXT set to v=spf1 +mx +a +ip4:208.91.198.16 include:_spf.mail.yahoo.com include:sendgrid.net include:mailgun.org ~all.