Telstra DNS Server Issues: Troubleshooting Guide

Some users reported that their Telstra DNS Server issue occurred after they upgraded their router from an old Netgear one to a new ASUS one.
Other users reported that their Telstra DNS Server issues started after installing a new NBN modem.
If you are also troubled by a unique Telstra DNS server issue, here are some troubleshooting tips to help you resolve it.

• The Telstra DNS Server issues can slow down your connection and make it unstable.
• To fix this issue, some users have recommended changing DNS settings manually.
• The Telstra DNS Server issues can also appear because of DNS cache issues.

Use Command prompt

1. Type cmd in Run’s search utility, and click on the relevant search result.
2. Click Run as administrator to open an elevated Command prompt window.
   
3. Now type ipconfig /flushdns and press Enter.
4. Close the Command prompt and restart Windows.
5. Remove and Re-register DNS Client
   Press Windows Key + X, and select Command prompt (Admin).
6. Type ipconfig /flushdns and press Enter.
   
7. Close the Command prompt, and restart Windows.

Manually set DNS settings

1. Open Settings and navigate to Network and Internet.
   
2. Click on Wi-Fi.
3. Click on Your network name or Wi-Fi.
4. Click on Advanced options.
5. In DNS settings, click on Manual.
   
6. Enter the following DNS IP addresses:

   8.8.8.8 for IPv4 and
   8.8.4.4 for IPv6

7. Click on Save to save the changes.

Update the DNS client

1. Open Run and type ncpa.cpl.
2. Right-click on the Network Connections icon and select Properties from the context menu.
   
3. Click the Advanced tab.
4. Check the box next to Register this connection’s addresses in DNS.
5. Click the OK button.
6. Update the DNS client
   
7. Open Run and type ipconfig /registerdns
8. Open Run and type ipconfig /flushdns

Update the server

1. Go to the Telstra website and check for any updates.
   
2. If an update is available, update the server.
3. Restart the router
   Reboot the router and check for any improvements.

How do I import IPv4 DNS settings?

1. Type cmd in the Search bar, right-click on the Command prompt icon, and select Run as Administrator.
2. In the Command prompt, type the following lines and press Enter after each of them: ipconfig /flushdns ipconfig /registerdns