Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:mailgun.org +include:outboundmail.blackbaud.net ip4:51.155.252.49 ip4:185.36.250.90 ip4:185.53.59.155 -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:mailgun.org +include:outboundmail.blackbaud.net ip4:51.155.252.49 ip4:185.36.250.90 ip4:185.53.59.155 -all.