Configuration for a very high traffic DNS server
Stefan Schmidt
s.schmidt--bind at mcbone.net
Mon Sep 11 15:40:10 UTC 2006
On Mon, Sep 11, 2006 at 08:01:08PM +0530, Ramprasad wrote:
> Thanks for the info
> Do root servers run BIND. Is bind really suited for that kind of
> traffic ?
Most of em do run BIND, yes.
$ dig ns . +short|xargs fpdns
fingerprint (l.root-servers.net., 198.32.64.12): ISC BIND 8.3.0-RC1 -- 8.4.4
fingerprint (a.root-servers.net., 198.41.0.4): ISC BIND 8.3.0-RC1 -- 8.4.4
fingerprint (m.root-servers.net., 202.12.27.33): ISC BIND 9.2.3rc1 -- 9.4.0a0
fingerprint (e.root-servers.net., 192.203.230.10): ISC BIND 9.2.3rc1 -- 9.4.0a0
fingerprint (d.root-servers.net., 128.8.10.90): ISC BIND 8.3.0-RC1 -- 8.4.4
fingerprint (i.root-servers.net., 192.36.148.17): ISC BIND 9.2.3rc1 -- 9.4.0a0
fingerprint (j.root-servers.net., 192.58.128.30): ISC BIND 8.3.0-RC1 -- 8.4.4
fingerprint (f.root-servers.net., 192.5.5.241): ISC BIND 9.2.3rc1 -- 9.4.0a0
fingerprint (k.root-servers.net., 193.0.14.129): NLnetLabs NSD 1.2.3 [root]
fingerprint (g.root-servers.net., 192.112.36.4): ISC BIND 9.2.3rc1 -- 9.4.0a0
fingerprint (c.root-servers.net., 192.33.4.12): ISC BIND 8.3.0-RC1 -- 8.4.4
fingerprint (h.root-servers.net., 128.63.2.53): NLnetLabs NSD 1.2.3 [root]
fingerprint (b.root-servers.net., 192.228.79.201): ISC BIND 9.2.3rc1 -- 9.4.0a0
Please note that almost all root-servers are distributed on several
locations and incorporate some kind of loadbalancing.
-> http://root-servers.org/
Some even have some nice graphs on the traffic they handle.
-> http://k.root-servers.org/
Running as authorative only even a single machine running BIND could
handle that load but that is not done for redundancys sake.
> Can someone tell me why NS queries from Net::DNS are different from
> dig on command line
Meaning they give different answers for the same query or is it just the
output-format that differs?
Stefan
--
- The Borg wouldn't know fun if they assimilated an amusement park!
Torres to Seven, "Tsunkatse.", ST-Voyager
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