Domains with DNS TXT v=spf1 ip4:35.189.54.239 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:sendgrid.net include:mailgun.org include:spf.mailcluster.com.au -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:35.189.54.239 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:sendgrid.net include:mailgun.org include:spf.mailcluster.com.au -all.