How to Diagnose DNS Issues Affecting Email Marketing?
To diagnose DNS issues, you can use several tools and methods:
DNS Lookup Tools: Websites like MXToolbox or DNSstuff can help you check your DNS records for errors. Email Authentication Checker: Tools like mail-tester.com can test your emails for SPF, DKIM, and DMARC compliance. ISP Feedback: ISPs often provide feedback loops that can alert you to deliverability issues.