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  3. Looks like DE ccTLD is unresolvable due to DNSSEC issue:https://dnsviz.net/d/nic.de/dnssec/

Looks like DE ccTLD is unresolvable due to DNSSEC issue:https://dnsviz.net/d/nic.de/dnssec/

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infosecdnssecdnsgermany
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  • domi@donotsta.reD domi@donotsta.re

    @rysiek@mstdn.social i mean, they do have de.net, so it's not an irrepairable level of a fuckup

    don't look at dig NS pl now...

    rysiek@mstdn.socialR This user is from outside of this forum
    rysiek@mstdn.socialR This user is from outside of this forum
    rysiek@mstdn.social
    wrote last edited by
    #14

    @domi guess what are the NSes for de.net. though…

    ;; ANSWER SECTION:
    de.net. 86400 IN NS ns1.denic.de.
    de.net. 86400 IN NS ns2.denic.de.
    de.net. 86400 IN NS ns3.denic.de.
    de.net. 86400 IN NS ns4.denic.net.

    domi@donotsta.reD 1 Reply Last reply
    0
    • rysiek@mstdn.socialR rysiek@mstdn.social

      Because it is DNS, everything is cached on multiple levels. Because there are nameservers in different TLDs (which is the correct thing to do!), combined with cache invalidation fun, this will keep looking like intermittent failures for a while most probably.

      sqrt2@chaos.socialS This user is from outside of this forum
      sqrt2@chaos.socialS This user is from outside of this forum
      sqrt2@chaos.social
      wrote last edited by
      #15

      @rysiek Why are the nic.de servers' addresses not glued to the root zone? I thought that was standard practice even if you have nameservers in other zones, too

      1 Reply Last reply
      0
      • rysiek@mstdn.socialR rysiek@mstdn.social

        @domi guess what are the NSes for de.net. though…

        ;; ANSWER SECTION:
        de.net. 86400 IN NS ns1.denic.de.
        de.net. 86400 IN NS ns2.denic.de.
        de.net. 86400 IN NS ns3.denic.de.
        de.net. 86400 IN NS ns4.denic.net.

        domi@donotsta.reD This user is from outside of this forum
        domi@donotsta.reD This user is from outside of this forum
        domi@donotsta.re
        wrote last edited by
        #16

        @rysiek@mstdn.social well, but denic.net has glue records. and so does de.net. so those fields don't really matter much, it's still resolvable

        rysiek@mstdn.socialR 1 Reply Last reply
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        • rysiek@mstdn.socialR rysiek@mstdn.social

          Looks like DE ccTLD is unresolvable due to DNSSEC issue:
          https://dnsviz.net/d/nic.de/dnssec/

          😬

          #InfoSec #DNSSEC #DNS #Germany

          tris@chaos.socialT This user is from outside of this forum
          tris@chaos.socialT This user is from outside of this forum
          tris@chaos.social
          wrote last edited by
          #17

          @rysiek cc: @Tutanota

          1 Reply Last reply
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          • domi@donotsta.reD domi@donotsta.re

            @rysiek@mstdn.social well, but denic.net has glue records. and so does de.net. so those fields don't really matter much, it's still resolvable

            rysiek@mstdn.socialR This user is from outside of this forum
            rysiek@mstdn.socialR This user is from outside of this forum
            rysiek@mstdn.social
            wrote last edited by
            #18

            @domi fair enough

            1 Reply Last reply
            0
            • rysiek@mstdn.socialR rysiek@mstdn.social

              Because it is DNS, everything is cached on multiple levels. Because there are nameservers in different TLDs (which is the correct thing to do!), combined with cache invalidation fun, this will keep looking like intermittent failures for a while most probably.

              rysiek@mstdn.socialR This user is from outside of this forum
              rysiek@mstdn.socialR This user is from outside of this forum
              rysiek@mstdn.social
              wrote last edited by
              #19

              DENIC's status page:
              https://status.denic.de/

              Screenshot below in case you're not able to load it (as I said, stuff is going to be intermittently failing).

              #DNS #DENIC #DNSSEC #InfoSec #SysAdmin

              Link Preview Image
              rysiek@mstdn.socialR tsia_@chaos.socialT 2 Replies Last reply
              1
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              • rysiek@mstdn.socialR rysiek@mstdn.social

                DENIC's status page:
                https://status.denic.de/

                Screenshot below in case you're not able to load it (as I said, stuff is going to be intermittently failing).

                #DNS #DENIC #DNSSEC #InfoSec #SysAdmin

                Link Preview Image
                rysiek@mstdn.socialR This user is from outside of this forum
                rysiek@mstdn.socialR This user is from outside of this forum
                rysiek@mstdn.social
                wrote last edited by
                #20

                Here's a thought:

                The fact that people are experiencing issues with DE sites and asking if CloudFlare is down speaks volumes about the stability of DE ccTLD and the broader DNS compared to big cloud providers.

                #DNS #InfoSec #SysAdmin

                vincent@knuddelweide.deV jpmens@mastodon.socialJ yetzt@social.yetzt.meY emily@mastodon.deE 4 Replies Last reply
                0
                • rysiek@mstdn.socialR rysiek@mstdn.social

                  Looks like DE ccTLD is unresolvable due to DNSSEC issue:
                  https://dnsviz.net/d/nic.de/dnssec/

                  😬

                  #InfoSec #DNSSEC #DNS #Germany

                  stekopf@mstdn.socialS This user is from outside of this forum
                  stekopf@mstdn.socialS This user is from outside of this forum
                  stekopf@mstdn.social
                  wrote last edited by
                  #21

                  @rysiek

                  From a users perspective some .de domains are not available on one connection but on another connection?

                  At least that's what I'm experiencing currently.

                  rysiek@mstdn.socialR 1 Reply Last reply
                  0
                  • rysiek@mstdn.socialR rysiek@mstdn.social

                    Here's a thought:

                    The fact that people are experiencing issues with DE sites and asking if CloudFlare is down speaks volumes about the stability of DE ccTLD and the broader DNS compared to big cloud providers.

                    #DNS #InfoSec #SysAdmin

                    vincent@knuddelweide.deV This user is from outside of this forum
                    vincent@knuddelweide.deV This user is from outside of this forum
                    vincent@knuddelweide.de
                    wrote last edited by
                    #22

                    @rysiek@mstdn.social True experts questioned their home infra first, because that is obviously the most stable culprit ​​

                    emily@mastodon.deE 1 Reply Last reply
                    0
                    • stekopf@mstdn.socialS stekopf@mstdn.social

                      @rysiek

                      From a users perspective some .de domains are not available on one connection but on another connection?

                      At least that's what I'm experiencing currently.

                      rysiek@mstdn.socialR This user is from outside of this forum
                      rysiek@mstdn.socialR This user is from outside of this forum
                      rysiek@mstdn.social
                      wrote last edited by
                      #23

                      @stekopf read the thread, I explain why this is going to feel intermittent

                      1 Reply Last reply
                      0
                      • rysiek@mstdn.socialR rysiek@mstdn.social

                        Here's a thought:

                        The fact that people are experiencing issues with DE sites and asking if CloudFlare is down speaks volumes about the stability of DE ccTLD and the broader DNS compared to big cloud providers.

                        #DNS #InfoSec #SysAdmin

                        jpmens@mastodon.socialJ This user is from outside of this forum
                        jpmens@mastodon.socialJ This user is from outside of this forum
                        jpmens@mastodon.social
                        wrote last edited by
                        #24

                        @rysiek the last failure of DE I recall was in May (hmm) 2010 (or 2012) when the zone exporter failed because of a file-system full error which wasn’t caught before the zone was shipped out to DE’s secondaries. That caused (alphabetically) all zones > a certain letter (ISTR it was ‘m’) to fail. Quite funny on one hand, sad on another, and hugely embarrassing to the DENIC people 🙂

                        rysiek@mstdn.socialR 1 Reply Last reply
                        0
                        • rysiek@mstdn.socialR rysiek@mstdn.social

                          At this moment, please send #HugOps to folks at DENIC. They are dealing with a really bad and stressful situation and I am sure they are doing their best to resolve it as soon as possible.

                          #DNS #DENIC

                          extmind@chaos.socialE This user is from outside of this forum
                          extmind@chaos.socialE This user is from outside of this forum
                          extmind@chaos.social
                          wrote last edited by
                          #25

                          @rysiek Good pun. 🙂

                          rysiek@mstdn.socialR 1 Reply Last reply
                          0
                          • jpmens@mastodon.socialJ jpmens@mastodon.social

                            @rysiek the last failure of DE I recall was in May (hmm) 2010 (or 2012) when the zone exporter failed because of a file-system full error which wasn’t caught before the zone was shipped out to DE’s secondaries. That caused (alphabetically) all zones > a certain letter (ISTR it was ‘m’) to fail. Quite funny on one hand, sad on another, and hugely embarrassing to the DENIC people 🙂

                            rysiek@mstdn.socialR This user is from outside of this forum
                            rysiek@mstdn.socialR This user is from outside of this forum
                            rysiek@mstdn.social
                            wrote last edited by
                            #26

                            @jpmens any public failure of a TLD, especially a ccTLD, is hugely embarrassing…

                            1 Reply Last reply
                            0
                            • extmind@chaos.socialE extmind@chaos.social

                              @rysiek Good pun. 🙂

                              rysiek@mstdn.socialR This user is from outside of this forum
                              rysiek@mstdn.socialR This user is from outside of this forum
                              rysiek@mstdn.social
                              wrote last edited by
                              #27

                              @extmind what pun?

                              extmind@chaos.socialE 1 Reply Last reply
                              0
                              • rysiek@mstdn.socialR rysiek@mstdn.social

                                @extmind what pun?

                                extmind@chaos.socialE This user is from outside of this forum
                                extmind@chaos.socialE This user is from outside of this forum
                                extmind@chaos.social
                                wrote last edited by
                                #28

                                @rysiek ...to *resolve* it as soon as possible.

                                rysiek@mstdn.socialR 1 Reply Last reply
                                0
                                • rysiek@mstdn.socialR rysiek@mstdn.social

                                  Here's a thought:

                                  The fact that people are experiencing issues with DE sites and asking if CloudFlare is down speaks volumes about the stability of DE ccTLD and the broader DNS compared to big cloud providers.

                                  #DNS #InfoSec #SysAdmin

                                  yetzt@social.yetzt.meY This user is from outside of this forum
                                  yetzt@social.yetzt.meY This user is from outside of this forum
                                  yetzt@social.yetzt.me
                                  wrote last edited by
                                  #29

                                  @rysiek last notable outage at denic was almost 16 years ago, when they moved servers from amsterdam to frankfurt.

                                  rysiek@mstdn.socialR dergrobi@nrw.socialD 2 Replies Last reply
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                                  • extmind@chaos.socialE extmind@chaos.social

                                    @rysiek ...to *resolve* it as soon as possible.

                                    rysiek@mstdn.socialR This user is from outside of this forum
                                    rysiek@mstdn.socialR This user is from outside of this forum
                                    rysiek@mstdn.social
                                    wrote last edited by
                                    #30

                                    @extmind oh damn! I did not do this on purpose. ha!

                                    1 Reply Last reply
                                    0
                                    • yetzt@social.yetzt.meY yetzt@social.yetzt.me

                                      @rysiek last notable outage at denic was almost 16 years ago, when they moved servers from amsterdam to frankfurt.

                                      rysiek@mstdn.socialR This user is from outside of this forum
                                      rysiek@mstdn.socialR This user is from outside of this forum
                                      rysiek@mstdn.social
                                      wrote last edited by
                                      #31

                                      @yetzt this is… how many nines?

                                      yetzt@social.yetzt.meY 1 Reply Last reply
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                                      • rysiek@mstdn.socialR rysiek@mstdn.social

                                        @yetzt this is… how many nines?

                                        yetzt@social.yetzt.meY This user is from outside of this forum
                                        yetzt@social.yetzt.meY This user is from outside of this forum
                                        yetzt@social.yetzt.me
                                        wrote last edited by
                                        #32

                                        @rysiek https://youtu.be/v07H0Px_2UM

                                        rysiek@mstdn.socialR 1 Reply Last reply
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                                        • yetzt@social.yetzt.meY yetzt@social.yetzt.me

                                          @rysiek https://youtu.be/v07H0Px_2UM

                                          rysiek@mstdn.socialR This user is from outside of this forum
                                          rysiek@mstdn.socialR This user is from outside of this forum
                                          rysiek@mstdn.social
                                          wrote last edited by
                                          #33

                                          @yetzt I ded.

                                          1 Reply Last reply
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