Domains with DNS TXT v=spf1 mx a ip4:223.27.23.103 include:sendgrid.net include:spf.protection.outlook.com include:spf.firstcloudsecurity.net ~all
There is 1 domain that have DNS TXT set to v=spf1 mx a ip4:223.27.23.103 include:sendgrid.net include:spf.protection.outlook.com include:spf.firstcloudsecurity.net ~all.