Bind9 - connection timed out; no servers could be reached

tanawi at web.de tanawi at web.de
Fri Jul 15 08:45:20 UTC 2005


Hello,

I have the following problem: I running Bind9.2.3 as slave on Solaris 8. The masters are windows-DNS, zonetransfer already works fine. This slave DNS is intendet to be a localhost DNS for a machine, that starts a lot of dns-queries (HP OpenView). Remote-queries would debit the internal networkload. 

Finaly, it should be an autarkic slave DNS, which is not allowed to contain forwarders and just for intern (private) ip-addresses and olny for internal use (not rechable from outside).

Problem: When I ask for unknown ipaddresses, the answer times out und ist is no server could 
be reached.

example:

	root at dnsserver # nslookup -sil 10.10.10.10
	;; connection timed out; no servers could be reached

When I create a zonefile with just one entry, it works..

example:

	root at dnsserver # nslookup -sil 10.10.10.10
	Server:         127.0.0.1
	Address:        127.0.0.1#53

	10.10.10.10.in-addr.arpa        name = bla.myComp.intern.

It is also possible to ask for other ips in that net:

	root at dnsserver # nslookup -sil 10.10.10.11
	Server:         127.0.0.1
	Address:        127.0.0.1#53

	** server can't find 11.10.10.10.in-addr.arpa: NXDOMAIN


It ist not practicable to create all zonefiles from ipaddresses or networks, which aren't important. I am helpless what's wrong.. can anyone geive me a hint?

Thanx,
Tanja

P.s.: An abstract from the named.conf:

logging {
	channel "query_logging" {
		file "/var/log/bind9_debug.log"
		versions 3 size 100M;
		print-time yes;    // timestamp log entries
	};

	category queries  { query_logging; };
	category lame-servers { "query_logging"; };
};

options {
	directory "/var/named/slave";
	pid-file "/var/run/named-9-slave.pid";
	
	recursion yes;
};

zone "myComp-lab.org"{	
	type slave;
	file "myComp-lab.org";
	masters { 172.21.31.106; };	
};

zone "nok.myComp-lab.org"{	
	type slave;
	file "nok.myComp-lab.org";
	masters { 172.21.31.106; };
};

zone "22.172.in-addr.arpa"{
	type slave;
	file "22.172.in-addr.arpa";
	masters { 172.31.100.6; };	
};
..until...
zone "31.172.in-addr.arpa"{
	type slave;
	file "31.172.in-addr.arpa";
	masters { 172.31.100.6; };	
};

zone "0.0.127.in-addr.arpa" in {
	type master;
	notify no;
	file "127.0.0";
};

key "rndc-key" {       
	algorithm hmac-md5;       
	secret "XYZ==XXX"; 
};
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