Email DNS guides

Practical setup and troubleshooting guides for domain email records: MX, SPF, DKIM, DMARC, Google Workspace, Microsoft 365, and Cloudflare.

Email DNS Checker: What to Check When Domain Email Breaks

Learn how an email DNS checker reviews MX, SPF, DKIM, and DMARC records so you can find the DNS issue behind broken domain email.

Check domain email DNS records - 6 min

Use this SPF record guide to understand what SPF does, why duplicate SPF records fail, and how to check the TXT record for your domain.

Check or fix SPF records - 5 min

Learn how to check for a DMARC record, where it belongs in DNS, and why even a basic p=none policy is better than no DMARC record.

Check or add DMARC records - 5 min

If your website loads but domain email does not work, check DNS hosting and MX records before changing website A or CNAME records.

Fix working website with broken email - 6 min

Set up Google Workspace email DNS in Cloudflare by checking MX records, SPF, DKIM, and DMARC without changing website records unnecessarily.

Set up Google Workspace with Cloudflare - 7 min

Check Microsoft 365 email DNS in Cloudflare, including MX, SPF, DKIM, and DMARC records for a custom domain.

Set up Microsoft 365 with Cloudflare - 7 min

Need the answer first? Run one scan for the domain and use the guide only when you want more context about the records.