We Audited 1,000+ Cold Email Domains. 67% Had...

If you manage domains for cold email, there is a good chance your DNS authentication is silently broken. We audited DNS configurations across 1,000+ domains onboarded to MailDeck (we provide cold email infrastructure across Microsoft 365, Google Workspace, and SMTP for 1,500+ clients). Two thirds of those domains had at least one critical SPF, DKIM, or DMARC error before we fixed it. The errors are silent. You won't see a bounce. You won't get an alert. Your emails just quietly move to spam and