[tor-relays] Fwd: Nameservers fail and come back at the same time?

[SuperSluether]

I really hope this isn't gonna post a duplicate, but it didn't go 
through the first time I sent it.


-------- Forwarded Message --------
Subject: 	Nameservers fail and come back at the same time?
Date: 	Sun, 31 Jan 2016 13:33:24 -0600
From: 	SuperSluether <supersluether at gmail.com>
To: 	tor-relays at lists.torproject.org



My exit node's consensus weight just jumped from 20 to 1750 overnight. 
When I checked to see how things were going, my log file is full of 
nameserver problems, happening every couple of minutes:

Jan 31 14:12:40.000 [warn] eventdns: All nameservers have failed
Jan 31 14:12:40.000 [notice] eventdns: Nameserver 8.8.4.4:53 is back up
Jan 31 14:18:35.000 [warn] eventdns: All nameservers have failed
Jan 31 14:18:35.000 [notice] eventdns: Nameserver 8.8.4.4:53 is back up
Jan 31 14:20:53.000 [warn] eventdns: All nameservers have failed
Jan 31 14:20:53.000 [notice] eventdns: Nameserver 8.8.4.4:53 is back up
Jan 31 14:20:59.000 [warn] eventdns: All nameservers have failed
Jan 31 14:20:59.000 [notice] eventdns: Nameserver 8.8.4.4:53 is back up

But the "All nameservers have failed" and "Nameserver xxx is back up" 
messages happen in pairs /at the exact same time./ What's going on here, 
and is there a way to fix this? My VPS has 2 nameservers listed for it, 
should I be using those?

At any rate, my exit node is still getting enough traffic to hit the 
bandwidth limit, so I'm assuming it's still functioning at some 
capacity. Here's the Atlas link if anyone wants to check out the 
details: 
https://atlas.torproject.org/#details/D632232DDC823D00ACB4F99668B58B2D5BCFF9A1


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