DNS resolution failed

If DNS resolution is failing, follow these instructions.

Cause

The client isn't able to resolve the gateway hostname.

Remedy

  1. Check if a DNS server is assigned to the network interface. If it doesn't resolve, contact your ISP.
  2. Run nslookup from the command prompt (Windows) or the Terminal (macOS) for a public host, such as www.sophos.com, and verify that it resolves to an IP address.
  3. If it doesn't resolve, contact your ISP.