Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:outboundmail.blackbaud.net include:sendgrid.net ~all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:outboundmail.blackbaud.net include:sendgrid.net ~all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:outboundmail.blackbaud.net include:sendgrid.net ~all