Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:spf.mandrillapp.com include:mailgun.org include:144364100.spf05.hubspotemail.net -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:spf.mandrillapp.com include:mailgun.org include:144364100.spf05.hubspotemail.net -all.