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    DNS PROBE FINISHED NXDOMAIN Message

    Opera for computers
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    • A Former User
      A Former User last edited by A Former User

      This is definitely a bug it started happened few versions back and I am using beta versions. Are there any logs we can look to see?

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      • leocg
        leocg Moderator Volunteer @Guest last edited by

        @david-fr Did you test it for at least a couple of days, in different times of the day?

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          A Former User 1 Reply Last reply
        • leocg
          leocg Moderator Volunteer @Guest last edited by

          @david-fr It seems that regular DNS server is no longer used as fallback when DOH fails.

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            A Former User 1 Reply Last reply
          • A Former User
            A Former User @leocg last edited by

            @leocg Yes. i use my computer and my browser all day. And with the last update i have this problem.

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            • A Former User
              A Former User @leocg last edited by

              @leocg i will wait for an update. thanks

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                leocg 1 Reply Last reply
              • leocg
                leocg Moderator Volunteer @Guest last edited by

                @david-fr Update for?

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                  A Former User 1 Reply Last reply
                • A Former User
                  A Former User @leocg last edited by

                  @leocg an opera update

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                    leocg 1 Reply Last reply
                  • leocg
                    leocg Moderator Volunteer @Guest last edited by

                    @david-fr I don't think it will change anything.

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                    • auxiliumdei
                      auxiliumdei last edited by

                      Hey, all!
                      I don't know what's going on since few hours but I have sometimes this DNS error. The sometimes is important because I can't reproduce the error and when I reload the page, it works. So, basically, not a big bug but just an annoying fact.
                      I googled it, "patched" it: it changed nothing.
                      Any ideas?

                      Reply Quote 2
                        leocg 1 Reply Last reply
                      • leocg
                        leocg Moderator Volunteer @auxiliumdei last edited by

                        @auxiliumdei Read above, it happens when DOH/DNS fails.

                        Reply Quote 1
                          auxiliumdei 1 Reply Last reply
                        • auxiliumdei
                          auxiliumdei @leocg last edited by

                          @leocg Thanks for the redirection.
                          Apparently, this is a bug from Opera 70...
                          As It was working smoothly before...

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                            leocg 1 Reply Last reply
                          • leocg
                            leocg Moderator Volunteer @auxiliumdei last edited by

                            @auxiliumdei Nope, it's not a bug. In fact it's due to a improvement, I guess at least.

                            Before, when DOH server failed, the regular DNS was used as a fallback, what broke the idea of DOH. Now it doesn't happen anymore as it seems.

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                              auxiliumdei A Former User 2 Replies Last reply
                            • auxiliumdei
                              auxiliumdei @leocg last edited by

                              @leocg Ahah! Okay! Science! 😃

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                              • A Former User
                                A Former User last edited by

                                For me, with the last update 70.0.3728.95 (Aug 5, 2020), all is ok now. DOH work.

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                                • A Former User
                                  A Former User @leocg last edited by

                                  @leocg said in DNS_PROBE_FINISHED_NXDOMAIN:

                                  In fact it's due to a improvement, I guess at least.

                                  Starting with the 70th version of the Opera, I also encountered this error. The error is random, disappears after reloading the page. There is no such problem in Chrome. I tried to find out what's the matter through DNSQuerySniffer: sometimes the site's DNS requests pass the DoH function, in this case this error occurs in Opera, Chrome DoH does not pay attention to it.
                                  This appears to be a DoH security feature of Opera, although I'm not sure if it's convenient.

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                                  • A Former User
                                    A Former User last edited by

                                    The problem with DOH is starting all over again. Nothing's changed. Still that problem.

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                                    • indiced
                                      indiced last edited by

                                      I am approaching the same issue. But for me it does work for Cloudflare (build in option), however does not for Quad9 (I pasted their address there https://dns.quad9.net/dns-query ). Anythings new, anyones up?

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                                      • indiced
                                        indiced last edited by

                                        I've just reported an incident to Opera with the following query:

                                        I have a problem with DoH (DNS over HTTPS), it seems to work once I select radio button with one of your your defaults, like Cloudflare, it works great. But once I use the customized field, where I have to enter Quad9 address it seems not to take any effect. I use current Quad9 address for DOH:
                                        
                                        https://dns.quad9.net/dns-query
                                        https://dns9.quad9.net/dns-query
                                        
                                        and they seem not bo be accepted.
                                        
                                        the same happens with other providers as CISCO's doh.opendns.com.
                                        
                                        I assume this field is not read correctly by Opera, wherever address we provide it is not taken into account, unless is one of the options available at radiobuttons above. Hope you can find what is the rootcause for this issue. Thank you!
                                        
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                                          leocg A Former User 2 Replies Last reply
                                        • leocg
                                          leocg Moderator Volunteer @indiced last edited by

                                          @indiced I use OpenDNS DOH and it works here.

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                                          • A Former User
                                            A Former User @indiced last edited by leocg

                                            @indiced I tried different DNS-over-HTTPS servers at Opera. DoH function works.
                                            https://dns.quad9.net/dns-query
                                            https://doh.opendns.com/dns-query
                                            https://dns.adguard.com/dns-query
                                            There is a peculiarity. If the copy-paste method is used, after pasting the address, press Enter, then Opera will remember it.
                                            Opera Snapshot_2020-08-16_195905_settings.png

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                                              1 Reply Last reply
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