Domains with DNS TXT v=spf1 ip4:144.208.73.36 +mx +a +a:secure.gcpdesignmarketing.com +a:smtp.office365.com +ip4:199.250.204.245 +include:ne16.com +include:spf.protection.outlook.com +include:outboundmail.blackbaud.net ~all

There is 1 domain that have DNS TXT set to v=spf1 ip4:144.208.73.36 +mx +a +a:secure.gcpdesignmarketing.com +a:smtp.office365.com +ip4:199.250.204.245 +include:ne16.com +include:spf.protection.outlook.com +include:outboundmail.blackbaud.net ~all.

Top Domains with TXT set to v=spf1 ip4:144.208.73.36 +mx +a +a:secure.gcpdesignmarketing.com +a:smtp.office365.com +ip4:199.250.204.245 +include:ne16.com +include:spf.protection.outlook.com +include:outboundmail.blackbaud.net ~all