[outages] Level3 DNS Servers down?

[Dan White]

On 09/03/14 11:03 -0400, Dann Schuler via Outages wrote:
>Is anyone else seeing issues with Level3's DNS servers?   We got an alert
>our mail servers were down but mail is flowing normally, if slowly.  Trying
>to resolve our domain names against Google's 8.8.8.8 and OpenDNS's
>208.67.222.222 servers seems fine but 4.2.2.2 and 4.2.2.1 is spotty at best,
>failing to resolve in most cases.

I'm not seeing any problems with the Dallas-hosted 4.2.2.2:

$ time dig +short @4.2.2.2 google.com
173.194.115.7
173.194.115.2
173.194.115.14
173.194.115.5
173.194.115.8
173.194.115.3
173.194.115.4
173.194.115.0
173.194.115.9
173.194.115.6
173.194.115.1

real    0m0.023s
user    0m0.012s
sys     0m0.000s

(Repeated 10 times with similar results)

$ time dig +short @4.2.2.1 google.com
173.194.46.4
173.194.46.0
173.194.46.14
173.194.46.3
173.194.46.8
173.194.46.6
173.194.46.2
173.194.46.9
173.194.46.5
173.194.46.1
173.194.46.7

real    0m0.037s
user    0m0.008s
sys     0m0.004s

$ traceroute 4.2.2.2
traceroute to 4.2.2.2 (4.2.2.2), 30 hops max, 60 byte packets
 1  <internal ip>
 2  olp-67-217-152-5.olp.net (67.217.152.5)  2.719 ms  2.976 ms  3.211 ms
 3  router.olp.net (67.217.151.97)  2.322 ms  2.388 ms  2.525 ms
 4  olp-67-217-150-202.olp.net (67.217.150.202)  10.949 ms  11.083 ms  11.177 ms
 5  vlan1125.car1.dallas1.level3.net (4.28.42.33)  9.912 ms  10.053 ms  10.291 ms
 6  ae-2-70.edge2.dallas1.level3.net (4.69.145.75)  10.177 ms  8.414 ms  8.427 ms
 7  b.resolvers.level3.net (4.2.2.2)  8.891 ms  8.665 ms  8.903 ms


-- 
Dan White