Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:spf.constantcontact.com include:sendgrid.net ip4:52.1.234.206 ip4:52.70.152.226 ip4:54.165.79.164 -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:spf.constantcontact.com include:sendgrid.net ip4:52.1.234.206 ip4:52.70.152.226 ip4:54.165.79.164 -all.