Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:sendgrid.net include:outboundmail.blackbaud.net ~all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:sendgrid.net include:outboundmail.blackbaud.net ~all.