DNS_HOSTNAME_SERVER_ERROR error occurs when attempting to connect to a private IP from an external rewrite. This error typically means that the DNS server was unable to fulfill the DNS request due to an internal issue or misconfiguration.
To troubleshoot this error, follow these steps:
- Review DNS configuration: Check the DNS configuration to ensure it's correctly set up and doesn't contain any errors or misconfigurations
- Inspect network connectivity: Ensure that there are no network issues that could be affecting the DNS resolution
- Check DNS server logs: Review the logs of the DNS server for any warnings or errors that might indicate what's causing the issue
- Verify domain registration: Ensure that the domain has been registered and is currently active