[outages] EasyDNS issues?

Jeremy Chadwick jdc at koitsu.org
Sat Oct 27 09:43:33 EDT 2012


I know EasyDNS is anycasted, so some of this troubleshooting work
doesn't narrow things down, but something is indeed going on.

Issue started roughly 2012/10/27 at 06:25 Pacific.

I'm guessing a DoS attack but that's speculative.


$ dig ns dslreports.com.

;; QUESTION SECTION:
;dslreports.com.                        IN      NS

;; ANSWER SECTION:
dslreports.com.         1200    IN      NS      dns3.easydns.org.
dslreports.com.         1200    IN      NS      dns2.easydns.net.
dslreports.com.         1200    IN      NS      dns1.easydns.com.

;; ADDITIONAL SECTION:
dns1.easydns.com.       7321    IN      A       64.68.192.210
dns1.easydns.com.       172734  IN      AAAA    2001:1838:f001::10
dns2.easydns.net.       157640  IN      A       72.52.2.1
dns3.easydns.org.       468     IN      A       64.68.195.10
dns3.easydns.org.       72510   IN      AAAA    2620:49:a::10


$ dig @ns1.easydns.com a www.dslreports.com.

;; connection timed out; no servers could be reached

$ host ns1.easydns.com
ns1.easydns.com has address 64.68.192.210


$ dig @dns2.easydns.net a www.dslreports.com.

;; QUESTION SECTION:
;www.dslreports.com.            IN      A

;; ANSWER SECTION:
www.dslreports.com.     1200    IN      A       209.123.109.175

$ host dns2.easydns.net
dns2.easydns.net has address 72.52.2.1


$ dig @dns3.easydns.org a www.dslreports.com.

; <<>> DiG 9.8.3-P4 <<>> @dns3.easydns.org a www.dslreports.com.
; (2 servers found)
;; global options: +cmd
;; connection timed out; no servers could be reached

$ host dns3.easydns.org
dns3.easydns.org has address 64.68.195.10
dns3.easydns.org has IPv6 address 2620:49:a::10

$ mtr 64.68.192.210
                                                  Packets               Pings
 Host                                           Loss%   Snt   Rcv  Last   Avg  Best  Wrst
 1. gw.home.lan                                  0.0%    18    18   0.3   0.3   0.3   0.4
 2. c-67-180-84-1.hsd1.ca.comcast.net            0.0%    18    18  25.4  24.4  12.7  31.2
 3. te-0-0-0-12-ur05.santaclara.ca.sfba.comcast  0.0%    18    18  10.8  10.6   8.8  25.5
 4. te-1-1-0-2-ar01.sfsutro.ca.sfba.comcast.net  0.0%    17    17  21.4  16.7  12.7  22.3
 5. he-1-7-0-0-cr01.sanjose.ca.ibone.comcast.ne  0.0%    17    17  23.8  19.9  13.9  24.7
 6. pos-0-12-0-0-cr01.denver.co.ibone.comcast.n  0.0%    17    17  53.9  56.0  53.7  57.7
 7. 68.86.89.41                                  0.0%    17    17  88.5  84.0  78.2  90.8
 8. be-10-pe03.350ecermak.il.ibone.comcast.net   0.0%    17    17  80.2  80.2  77.8  93.7
 9. 173.167.57.126                               0.0%    17    17  82.4  80.7  79.1  84.0
10. ae1-50g.cr2.ord1.us.nlayer.net               0.0%    17    17  79.5  80.7  77.8 112.0
11. as23352.ae6-102.cr2.ord1.us.nlayer.net       0.0%    17    17  78.6  79.3  77.9  81.8
12. 44.po1.ar2.ord1.us.scnet.net                 0.0%    17    17  84.1  82.6  77.8 121.6
13. ge0-50.aggr4302.ord2.us.scnet.net           68.8%    17     5  80.7  80.5  79.5  81.6
14. dns1.easydns.com                            76.5%    17     4  77.8  78.6  77.8  79.7


$ mtr 64.68.195.10

                                                  Packets               Pings
 Host                                           Loss%   Snt   Rcv  Last   Avg  Best  Wrst
 1. gw.home.lan                                  0.0%    22    22   0.3   0.3   0.2   0.4
 2. c-67-180-84-1.hsd1.ca.comcast.net            0.0%    22    22  27.7  23.0  11.4  40.6
 3. te-0-0-0-12-ur05.santaclara.ca.sfba.comcast  0.0%    22    22   9.4   9.9   8.5  10.7
 4. 69.139.198.174                               0.0%    22    22  15.4  16.6  11.5  22.6
 5. he-1-8-0-0-cr01.sanjose.ca.ibone.comcast.ne  0.0%    22    22  22.4  19.5  13.1  39.1
 6. pos-0-3-0-0-pe01.11greatoaks.ca.ibone.comca  0.0%    22    22  16.2  17.8  15.0  20.1
 7. 208.178.58.13                                0.0%    22    22  23.2  19.7  14.2  27.5
 8. ae9-40G.scr4.SNV2.gblx.net                   4.5%    22    21  28.7  26.0  15.8  64.1
 9. po3-20G.ar5.DCA3.gblx.net                    0.0%    21    21  82.2  87.4  81.5 150.8
10. packet-clearing-house.gigabitethernet9-3.ar 47.6%    21    11  89.5  91.1  89.1  99.3
11. 64.68.195.10                                95.0%    21     1 261.8 261.8 261.8 261.8

-- 
| Jeremy Chadwick                                   jdc at koitsu.org |
| UNIX Systems Administrator                http://jdc.koitsu.org/ |
| Mountain View, CA, US                                            |
| Making life hard for others since 1977.             PGP 4BD6C0CB |




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