h-root-servers.net (Level3 Question)

Peter Dambier peter at peter-dambier.de
Sun Oct 23 09:59:15 UTC 2005


Dan Mahoney, System Admin wrote:
> 
> Okay, so I've been reading this thread on L3, and I'm a little curious 
> as to what this potential de-peering means in one unique situation.

I means, here in germany we cannot see h.root-servers.net

soa(".","2005102201","a.root-servers.net","198.41.0.4").
soa(".","2005102201","b.root-servers.net","192.228.79.201").
soa(".","2005102201","c.root-servers.net","192.33.4.12").
soa(".","2005102201","d.root-servers.net","128.8.10.90").
soa(".","2005102201","e.root-servers.net","192.203.230.10").
soa(".","2005102201","f.root-servers.net","192.5.5.241").
soa(".","2005102201","g.root-servers.net","192.112.36.4").
error(".","h.root-servers.net","128.63.2.53","no response").
soa(".","2005102201","i.root-servers.net","192.36.148.17").
soa(".","2005102201","j.root-servers.net","192.58.128.30").
soa(".","2005102201","l.root-servers.net","198.32.64.12").
soa(".","2005102201","l.root-servers.net","198.32.64.12").
soa(".","2005102201","m.root-servers.net","202.12.27.33").

Ok, it is only one of the root servers. But have a look who
h.root-servers.net is. It is one of the originals not an
anycasted copy.

Maybe it is only dtag.de the uplink of my ISP but they are
the uplink of mostly any ISP here in germany.

I guess half of the world cannot reach your site and they
cannot even send you an email to tell you.

Here is my traceroute to h.root-servers.net right now:

   2005-10-23 (296) 11:48:46 loc
   2005-10-23 (296) 09:48:46 UTC

traceroute to h.root-servers.net (128.63.2.53), 30 hops max, 40 byte packets
  1  echnaton.lomiheim (192.168.48.228)  4.675 ms   5.587 ms   6.364 ms
  2  DARX41-erx (217.0.116.49)  116.568 ms   132.257 ms   137.536 ms
  3  sepia (217.0.67.106)  119.249 ms   124.106 ms   134.971 ms
  4  62.156.131.150  230.077 ms   233.444 ms   237.907 ms
  5  sl-gw31-nyc-12-0.sprintlink.net (144.223.27.133)  248.150 ms   254.276 ms   262.928 ms
  6  sl-bb23-nyc-12-0.sprintlink.net (144.232.13.33)  271.683 ms   278.948 ms   286.979 ms
  7  sl-bb20-nyc-8-0.sprintlink.net (144.232.7.13)  288.615 ms   296.159 ms   304.545 ms
  8  0.so-2-3-0.BR1.NYC4.ALTER.NET (204.255.174.225)  153.352 ms   160.090 ms   168.617 ms
  9  0.so-6-0-0.XL1.NYC4.ALTER.NET (152.63.21.78)  177.012 ms *   184.325 ms
10  0.so-7-0-0.XL1.CHI2.ALTER.NET (152.63.68.81)  202.066 ms   205.084 ms   207.531 ms
11  POS6-0.GW10.CHI2.ALTER.NET (152.63.69.169)  214.184 ms   221.166 ms   228.862 ms
12  0.so-3-3-0.dng.dren.net (65.195.244.54)  323.133 ms *   325.671 ms
13  so12-0-0-0.arlapg.dren.net (138.18.1.3)  373.705 ms   381.351 ms   393.036 ms
14  * * *

; <<>> DiG 9.1.3 <<>> . @h.root-servers.net
;; global options:  printcmd
;; connection timed out; no servers could be reached

> A friend of mine has got a colo box sitting, single-homed, in a (3) data 
> center.  At the end of this, is this going to mean I can't reach Cogent? 
> I've seen something in the discussions that imply this will be the case, 
> but am not ultimately sure.
> 
> Then again, is anyone?

I am shure I cannot reach h-root-servers.net and a lot of other sites.

Here is what I see from another host in the netherlands:

traceroute to h.root-servers.net (128.63.2.53), 30 hops max, 40 byte packets
  1  Bifroest (84.22.100.1)  0.181 ms   0.156 ms   0.155 ms
  2  Charybdis (84.22.96.245)  2.016 ms   3.895 ms   3.545 ms
  3  217.195.244.142  104.799 ms   103.670 ms   102.902 ms
  4  213.201.252.230  103.338 ms   101.735 ms   100.100 ms
  5  ge0-0-0-1.gr0.tcams.nl.easynet.net (207.162.205.113)  98.449 ms   96.802 ms   95.168 ms
  6  so0-1-0-0.gr0.tclon.uk.easynet.net (207.162.205.49)  101.366 ms   100.190 ms   98.656 ms
  7  ge0-3-0-0.gr1.thlon.uk.easynet.net (207.162.205.21)  96.926 ms   95.480 ms   93.871 ms
  8  ge0-0-0-0.gr0.thlon.uk.easynet.net (207.162.198.12)  92.276 ms   90.543 ms *
  9  ge0-2-0-0.gr0.bllon.uk.easynet.net (207.162.205.13)  22.415 ms   21.672 ms   20.266 ms
10  br0.bllon.uk.easynet.net (207.162.204.5)  21.576 ms   20.171 ms   23.452 ms
11  ge-1-0-0-0.br0.tclon.uk.easynet.net (82.108.6.122)  21.855 ms   20.237 ms   21.863 ms
12  ge0-0-0-0.br0.thlon.uk.easynet.net (195.172.211.205)  20.422 ms   23.193 ms   21.581 ms
13  ip-217-204-60-90.easynet.co.uk (217.204.60.90)  20.976 ms   20.646 ms   20.409 ms
14  ge-5-0-2.402.ar2.LON3.gblx.net (67.17.212.93)  90.475 ms   89.058 ms   87.318 ms
15  so6-0-0-2488M.ar2.NYC1.gblx.net (67.17.64.158)  97.484 ms   110.351 ms   108.752 ms
16  POS1-0.BR3.NYC8.ALTER.NET (204.255.168.133)  107.855 ms POS1-1.BR3.NYC8.ALTER.NET (204.255.168.61)  106.842 ms   118.576 ms
17  0.so-5-2-0.XL1.NYC8.ALTER.NET (152.63.19.54)  118.120 ms   116.336 ms   114.644 ms
18  0.so-7-0-0.XL1.CHI2.ALTER.NET (152.63.68.81)  137.482 ms   135.923 ms   134.144 ms
19  POS6-0.GW10.CHI2.ALTER.NET (152.63.69.169)  132.387 ms   130.567 ms   129.078 ms
20  0.so-3-3-0.dng.dren.net (65.195.244.54)  116.936 ms   116.027 ms   114.271 ms
21  so12-0-0-0.arlapg.dren.net (138.18.1.3)  126.768 ms   125.046 ms   126.627 ms
22  cperouter.arlapg.dren.net (138.18.21.2)  126.067 ms   124.259 ms   127.054 ms
23  * * *

; <<>> DiG 9.2.4 <<>> . @h.root-servers.net
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 202
;; flags: qr aa rd; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;.                              IN      A

;; AUTHORITY SECTION:
.                       86400   IN      SOA     a.root-servers.net. nstld.verisign-grs.com.\
                                                 2005102201 1800 900 604800 86400

;; Query time: 128 msec
;; SERVER: 128.63.2.53#53(h.root-servers.net)
;; WHEN: Sun Oct 23 11:56:48 2005
;; MSG SIZE  rcvd: 92

> 
> Thanks,
> 
> -Dan
> 
> -- 
> 
> --------Dan Mahoney--------
> Techie,  Sysadmin,  WebGeek
> Gushi on efnet/undernet IRC
> ICQ: 13735144   AIM: LarpGM
> Site:  http://www.gushi.org
> ---------------------------
> 

Kind regards,
Peter and Karin Dambier

-- 
Peter and Karin Dambier
Public-Root
Graeffstrasse 14
D-64646 Heppenheim
+49-6252-671788 (Telekom)
+49-179-108-3978 (O2 Genion)
+49-6252-750308 (VoIP: sipgate.de)
mail: peter at peter-dambier.de
mail: peter at echnaton.serveftp.com
http://iason.site.voila.fr
http://www.kokoom.com/iason




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