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How do you diagnose that your DNS have failed if your system seems to be working but is suddenly using a hidden DNS setting? Local DNS settings for your LAN cou
by Daho0n 6y ago
How do you diagnose that your DNS have failed if your system seems to be working but is suddenly using a hidden DNS setting? Local DNS settings for your LAN could be dead and gone but "example.com" still work fine. Why? If I hadn't read the article I would have no clue unless I looked a a network dump. It's insane.
- charcircuit 6y agoOne of my first troubleshooting steps is replacing /etc/resolv.conf with just a basic one. By seeing that using Google's DNS directly works, I would know that it's a problem with resolved.