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David Guntner wrote on Thu, Dec 05, 2002 at 02:47:21PM -0800 :
Content-Description: Mail message body
> Of late, I've been getting TONS of "named: lame server resolving ...."
> messages anytime a DNS lookup takes place locally. I've got the caching
> nameserver package installed, with BIND9. ML 9.0. Anyone have any ideas
> what would be causing this? My syslog is starting to get really
> crowded.... :-)
Post the messages. Normally this is when your name server tries to
lookup some domain, but a name server that the root servers says is
supposed to be authoritative says "I don't know, that's not my domain."
A good example is www.protocol-online.net. If you ask the root servers,
it tells you to ask the gtld servers. next ask a gtld server for info
on www.protocol-online.net:
[todd@fiji ~]$ dig +nocomments @c.gtld-servers.net
www.protocol-online.net
; <<>> DiG 9.2.2rc1 <<>> +nocomments @c.gtld-servers.net www.protocol-online.net
;; global options: printcmd
;www.protocol-online.net. IN A
protocol-online.net. 172800 IN NS NS17.CUSTOMER.LEVEL3.net.
protocol-online.net. 172800 IN NS SCA02.SEC.DNS.EXODUS.net.
NS17.CUSTOMER.LEVEL3.net. 172800 IN A 209.244.5.20
SCA02.SEC.DNS.EXODUS.net. 172800 IN A 209.1.235.120
So there are two name servers listed as authoritative for that domain.
But if you query them, both respond with "." domain entries, which are
the root dns entries. Since the servers which are listed as being
authoritative are really not authoritative, they're called "lame
servers."
Blue skies... Todd
- --
...and I will strike down upon thee with great vengeance and furious
anger, those who attempt to poison and destroy my binaries, and you
will know my name is root, when I lay my vengeance upon thee.
Cooker Version mandrake-release-9.1-0.1mdk Kernel 2.4.20-1mdk
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