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Troubleshoot CNAME records
After you add a CNAME record to your domain's DNS settings, you can check the status of your change by looking up which CNAME records are currently in effect for your domain. For example, if you added a CNAME record to customize your forum address but the new address doesn't yet work, use these instructions to see if your change has gone live, and if so, to verify you made the change correctly.
Keep in mind that changes to DNS records make take up to 48 hours to take effect.
Still need help? Contact your domain host directly for more assistance. If need help telling your host exactly what you need, see What should I tell my domain host?