[tor-relays] exit operators: overall DNS failure rate above 5% - please check your DNS resolver

[Matt Westfall]

Just set your exit relay DNS to 8.8.8.8 and 1.1.1.1 I mean dns traffic 
isn't bulk traffic, let google and CloudFlare do the "work"

Thanks,

Matt Westfall
President & CIO
ECAN Solutions, Inc.
Everything Computers and Networks
804.592.1672

------ Original Message ------
From: "Tim Niemeyer" <tim at tn-x.org>
To: tor-relays at lists.torproject.org
Sent: 6/29/2019 2:59:34 AM
Subject: Re: [tor-relays] exit operators: overall DNS failure rate above 
5% - please check your DNS resolver

>Hi nusenu
>
>After reading your Mail, I realized that not the DNS records for the
>exit IPs are failing. Instead this list shows problems to resolve dns
>on the exit.
>
>I looked at our exit and all looks fine. Resolver works very fast and
>nothing imporint within the logfile. Only some dudes use 0.100.2.2 as
>remote address, but let's be fair, that can't work. ;)
>
>There are 4 exits on one machine with one dns server. Only 3 of them
>are shown in the list:
>https://metrics.torproject.org/rs.html#search/as:AS205100
>
>Maybe it is a load problem, because this machine has 100% cpu load? :(
>
>A dedicated machine for dns may be good, but currently we have only
>this one machine. Another way could be to recude exit capacity, but I
>don't know if it's a good idea to throttle it?
>
>Btw, in the mean time we got more upstream transit and now we are
>looking to get better / second hardware. But money is a limiting
>factor. :(
>
>Kind regards
>Tim
>
>Am Freitag, den 28.06.2019, 20:16 +0000 schrieb nusenu:
>>  Dear Exit relay operators,
>>
>>  first of all thanks for running exit relays!
>>
>>  One of the crucial service that you provide in addition to
>>  forwarding
>>  TCP streams is DNS resolution for tor clients.
>>  Exit relays which fail to resolve hostnames
>>  are barely useful for tor clients.
>>
>>  We noticed that lately the failure rates did increase significantly
>>  due to some major exit operators apparently having DNS issues and we
>>  would like
>>  to urge you to visit Arthur's "Tor Exit DNS Timeouts"
>>  page that shows you the DNS error rate for exit relays:
>>
>>https://arthuredelstein.net/exits/
>>  (the page is usually updated once a day)
>>
>>  Please consider checking your DNS if your exit relay consistently
>>  shows a non zero
>>  timeout rate - and make sure you run an up to date tor version.
>>
>>  If you are an exit operator but have no (or no working) ContactInfo,
>>  please consider
>>  updating that field in your torrc so we can reach you if something is
>>  wrong
>>  with your relay.
>>
>>  kind regards
>>  nusenu
>>  _______________________________________________
>>  tor-relays mailing list
>>tor-relays at lists.torproject.org
>>https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays
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