Domains with DNS TXT v=spf1 +a +mx +ip4:216.172.161.49 include:spf.mandrillapp.com include:sendgrid.net include:mail.zendesk.com ~all
There is 1 domain that have DNS TXT set to v=spf1 +a +mx +ip4:216.172.161.49 include:spf.mandrillapp.com include:sendgrid.net include:mail.zendesk.com ~all.