Timeouts and bad performance on NextDNS with IPv6
Hello,
I find myself getting more and more timeouts lately, the frequency increasing every day. When I don't get a timeout, it does still take ages for anything to happen. Some domains will consistently time out whenever I connect, and are unreachable.
I did find that the issue is exclusive to the combination of NextDNS and IPv6 – either disabling IPv6 or switching to a different DNS immediately makes the timeouts stop and drastically improves performance.
Here is my diag: https://nextdns.io/diag/d8978320-4a3e-11ee-833f-b5a30793dcb1
And, of course, some example domains that showcase the issues:
- nvidia.com (guaranteed timeout)
- wizards.com (guaranteed timeout)
- youtube.com (inconsistent performance with occasional timeouts)
- ffxiv-login.square-enix.com (always slow within the FFXIV launcher)
Until this gets fixed, I suppose I'll just have to disable IPv6 for a while as a workaround.
1 reply
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Same situation here. I'm based in New Zealand. IPV6 is incredibly slow - can take a good 10 seconds to resolve a website, although it doesn't usually time out completely. Disabling IPV6 resolves the issue and it becomes fast.
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