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Re: [tor-relays] [warn] eventdns: All nameservers have failed

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Subject: Re: [tor-relays] [warn] eventdns: All nameservers have failed
From: SuperSluether <supersluether@xxxxxxxxx>
Date: Sun, 19 Jun 2016 15:19:24 -0500
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It's been mentioned here once before, but you shouldn't be usingGoogle's DNS servers as they see almost all of the Tor network traffic.

My solution was to run a local DNS resolver (unbound in my case) and touse at least 2 DNS servers from the Open NIC project:https://www.opennicproject.org/configure-your-dns/


After adding servers from OpenNIC, the errors disappeared completely for me.

On 06/19/2016 02:59 PM, pa011 wrote:

Jun 19 20:24:38.000 [warn] eventdns: All nameservers have failed
Jun 19 20:24:38.000 [notice] eventdns: Nameserver 8.8.4.4:53 is back up


I do get this in my logs on an exit (Tor 0.2.7.6) several times every hour.

The /etc/resolv.conf contains

# Generated by SolusVM
nameserver 8.8.8.8
nameserver 8.8.4.4

Is it really best to set only one DNS like specified here
https://trac.torproject.org/projects/tor/ticket/11600 ?

Or are there better working solutions?
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References:
- [tor-relays] [warn] eventdns: All nameservers have failed
  - From: pa011

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