How do I disable IPv6 for Windows Server DNS? – Support
support.securly.com › hc › en-usJan 18, 2021 · To disable IPv6: Navigate to Start > DNS Manager Expand off DNS options. Right-click the DNS server name and select 'Properties'. Under the ‘Listen on’ field, select the ‘Only the following IP addresses’ radio button and uncheck any IPv6 address that is listed under it. Click on ‘Ok’ to complete the process. Have more questions? Submit a request