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DNS address could not be found

Fix "This site can't be reached", DNS_PROBE_STARTED and page-not-found errors when opening SKULabs

A "DNS address could not be found" or page-not-found error means your computer can't look up the SKULabs address. The cause is almost always your device or network, not SKULabs. Try these steps in order.

Chrome error page: This site can't be reached. app.skulabs.com's DNS address could not be found. DNS_PROBE_STARTED, with a Reload button

The Chrome error page for a DNS lookup failure on app.skulabs.com.

1. Check your internet connection

Open a few other websites. If they also fail, the problem is your internet connection.

2. Flush your DNS cache

Your computer saves address lookups. A stale or broken entry causes this error.

  • Windows: open Command Prompt and run ipconfig /flushdns.

  • Mac: open Terminal and run sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder, then enter your Mac password.

Then reload SKULabs.

3. Restart your modem and router

  1. Turn off your computer.

  2. Turn off your modem and router (if you have one). Wait about 30 seconds.

  3. Turn on your modem. Wait 1 to 2 minutes.

  4. Turn on your router (if you have one). Wait 1 to 2 minutes.

  5. Turn on your computer.

4. Clear your browser cache

In Chrome: click the three dots (top right) > Delete browsing data, select Cached images and files, and click Delete data. See Clear cache and cookies in Chrome. For other browsers, see SKULabs app and website troubleshooting.

5. Check firewall and antivirus settings

Firewall or antivirus software can block address lookups. Make sure it does not block your browser or skulabs.com.

6. Restart your device

A restart clears many temporary network problems.

If the error continues and other websites also fail, contact your internet service provider. If only SKULabs fails, chat with us using the chat icon at the bottom right.

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