Domains with DNS TXT v=spf1 include:spf.yulpa.io include:spf.sendingservice.net include:sendgrid.net include:spf.mandrillapp.com -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.yulpa.io include:spf.sendingservice.net include:sendgrid.net include:spf.mandrillapp.com -all.