4 min read
Tracking domain is not working
Fix CNAME and resolution issues.
Overview
Tracking domains fail when the CNAME is missing, proxied, duplicated, or still propagating.
Recommended workflow
1
Confirm the CNAME host and target.
2
Remove http or https from DNS values.
3
Set the record to DNS-only if your provider has proxy controls.
4
Check for existing conflicting records.
5
Send a test after DNS resolves.
Tips that make this work better
Tip
Use a subdomain like track.
Tip
Do not reuse a subdomain already used by another app.
Tip
Cloudflare proxy settings often cause issues.
Common mistakes to avoid
- Adding a URL instead of a DNS target.
- Using the root domain for tracking.
Done well, this should leave you with
A cleaner Outlio setup, fewer avoidable campaign issues, and a more reliable path from setup to replies.
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