Domains with DNS TXT v=spf1 +a +mx ip4:66.147.237.90 include:sendgrid.net include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 +a +mx ip4:66.147.237.90 include:sendgrid.net include:spf.protection.outlook.com -all.