Trying to find out why my unbound will not resolve www.startpuntgeldzaken.nl

[Gerben Wierda]

My unbound 1.12.0 will not resolve www.startpuntgeldzaken.nl but it does resolve most other domains without a problem

May 05 16:54:50 unbound-default[40069:0] info: resolving www.startpuntgeldzaken.nl. A IN
May 05 16:54:50 unbound-default[40069:0] info: processQueryTargets: www.startpuntgeldzaken.nl. A IN
May 05 16:54:50 unbound-default[40069:0] info: sending query: www.startpuntgeldzaken.nl. A IN
May 05 16:54:50 unbound-default[40069:0] debug: sending to target: <.> 9.9.9.9#53
May 05 16:54:50 unbound-default[40069:0] debug: cache memory msg=297432 rrset=298522 infra=30866 val=296000
May 05 16:54:53 unbound-default[40069:0] debug: tcp error for address 9.9.9.9 port 53
May 05 16:54:53 unbound-default[40069:0] debug: iterator[module 1] operate: extstate:module_wait_reply event:module_event_noreply
May 05 16:54:53 unbound-default[40069:0] info: iterator operate: query www.startpuntgeldzaken.nl. A IN
May 05 16:54:53 unbound-default[40069:0] info: processQueryTargets: www.startpuntgeldzaken.nl. A IN
May 05 16:54:53 unbound-default[40069:0] info: sending query: www.startpuntgeldzaken.nl. A IN
May 05 16:54:53 unbound-default[40069:0] debug: sending to target: <.> 149.112.112.112#53
May 05 16:54:53 unbound-default[40069:0] debug: cache memory msg=297432 rrset=298522 infra=30866 val=296000
May 05 16:54:55 unbound-default[40069:0] info: 192.168.2.66 www.startpuntgeldzaken.nl. A IN
May 05 16:54:55 unbound-default[40069:0] debug: cache memory msg=297432 rrset=298522 infra=30866 val=296000

The problem seems to be tcp error, but I have no clue what causes that error. I could use some help in hunting this down.

Note, asking the forwarder directly resolves without problem. So it is the communication between my unbound and the other resolver.

Gerben Wierda (LinkedIn <https://www.linkedin.com/in/gerbenwierda>)
R&A Enterprise Architecture <https://ea.rna.nl/> (main site)
Book: Chess and the Art of Enterprise Architecture <https://ea.rna.nl/the-book/>
Book: Mastering ArchiMate <https://ea.rna.nl/the-book-edition-iii/>

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