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Date:      Tue, 20 Mar 2018 16:29:38 -0700
From:      Aleksandr Miroslav <alexmiroslav@gmail.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: weird network/DNS issues (nsd not returning answer)
Message-ID:  <CACcSE1zhZye0vf=ZOETP+=Pd8LarbNSfd7vs898e4Q2GFZ5vJg@mail.gmail.com>
In-Reply-To: <CACcSE1yXgcp8vJS2CTmXWTwSs_cxrAU+NjirNn2n8Ls7fSsjgQ@mail.gmail.com>
References:  <CACcSE1yXgcp8vJS2CTmXWTwSs_cxrAU+NjirNn2n8Ls7fSsjgQ@mail.gmail.com>

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On Tue, Mar 20, 2018 at 4:11 PM, Aleksandr Miroslav
<alexmiroslav@gmail.com> wrote:
> All my other servers can query k and z just fine. Only b is exhibiting
> this problem.

To be sure it wasn't an issue specific to nsd, I turned off nsd on k,
and started unbound. Other servers were able to make queries to k just
fine, but similar to nsd, queries from b came to the server and seemed
to be returned, but the return reply never got to b.

I did the same thing with a simple DNS server I found in ports,
sheerdns, same issue. Other servers were able to make queries to port
53 on k, but from b, the replies never reach the server.



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