Domains with DNS TXT v=spf1 +mx +a +ip4:101.0.93.18 +ip4:13.239.177.15 include:spf.mandrillapp.com include:sendgrid.net -all
There is 1 domain that have DNS TXT set to v=spf1 +mx +a +ip4:101.0.93.18 +ip4:13.239.177.15 include:spf.mandrillapp.com include:sendgrid.net -all.