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dns1 and dns2.nextdns.io not resolving and incorrect DNS server location selected

Hi,

In Canberra, Australia and getting strange behaviour using NextDNS.

Has been working fine for a long time but this error has occured within the last week or so.

dns1 and dns2.nextdns.io is not resolving and it seems to be selecting LAX as the closest DNS server. It should be Sydney based on latency.

Not sure what else to test, it seems to be routing related.

ping.nextdns.io results below

  gsl-syd (IPv6)            6 ms
  vultr-syd                 6 ms
  gsl-syd                   6 ms
  vultr-syd (IPv6)          7 ms  (ultralow2)
  gsl-bne                  17 ms
  anexia-bne (IPv6)        17 ms
  gsl-bne (IPv6)           18 ms
  gsl-mel (IPv6)           18 ms  (anycast1)
  anexia-bne               18 ms
  vultr-mel (IPv6)         18 ms
  gsl-mel                  19 ms  (anycast1)
  vultr-mel                19 ms
  zetta-bne                20 ms
  gsl-adl (IPv6)           27 ms
  zetta-adl                27 ms
  gsl-adl                  27 ms
  anexia-per (IPv6)        52 ms
  anexia-per               53 ms
■ anexia-lax              141 ms  (anycast2)
  anexia-lax (IPv6)       141 ms  (anycast2)
  dns1.nextdns.io          error  (ultralow1)
  dns1.nextdns.io (IPv6)   error  (ultralow1)
  dns2.nextdns.io          error  (ultralow2)

 

 

 

Output from 2 x NextDNS diags:

https://nextdns.io/diag/2e62fb80-70d1-11f0-9dfa-bf6c62186f54

https://nextdns.io/diag/3bbd4900-70ce-11f0-a172-27421299deb2

1 reply

null
    • skeggox
    • 2 days ago
    • Reported - view

    I installed the nextdns-cli on my pfsense box and I am now using that.

    I have unbound still running for my local domains and all other queries then get forwarded to the nextdns-cli running on localhost:5353.

    It is now selecting the ultralow servers using DOH instead of DOT.

    It has resolved the latency issue for me.

    I gather the problem still persists though if I got back to just resolving only using unbound.

    vultr-syd            6 ms  (ultralow2)
  gsl-syd (IPv6)       7 ms  (ultralow1)
  gsl-syd              7 ms  (ultralow1)
■ vultr-syd (IPv6)     8 ms  (ultralow2)
  anexia-bne          17 ms
  anexia-bne (IPv6)   17 ms
  gsl-bne (IPv6)      18 ms
  gsl-bne             18 ms
  vultr-mel           18 ms
  vultr-mel (IPv6)    18 ms
  gsl-mel (IPv6)      19 ms  (anycast1)
  gsl-mel             19 ms  (anycast1)
  zetta-bne           20 ms
  gsl-adl (IPv6)      27 ms
  gsl-adl             27 ms
  zetta-adl           28 ms
  anexia-per (IPv6)   52 ms
  anexia-per          52 ms
  anexia-lax (IPv6)  141 ms  (anycast2)
  anexia-lax         141 ms  (anycast2)
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