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Old 07-29-2005, 06:25 AM   #1
anybody1234
LQ Newbie
 
Registered: Apr 2005
Location: Mumbai India
Distribution: Suse Linux 9.2
Posts: 27

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How to get faster DNS resolution in Linux


Hello

I am using the DNS of My ISP in /etc/resolve.conf

But I find that my linux box resolves very slowly and connection to internet is very slow...
I have come to know from this forum only that I can make use of BIND DNS server
to get faster DNS resolution

But the thing is I am very new and I find it dificult to configure /etc/named.conf

Would anybody who are using BIND servers successfuly give me a step by step instruction in settingand configuring BIND DNS server?

Any help would be greatlly appreciated...
 
Old 07-29-2005, 06:40 AM   #2
keefaz
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Registered: Mar 2004
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post your /etc/named.conf
 
Old 09-27-2005, 06:33 AM   #3
anybody1234
LQ Newbie
 
Registered: Apr 2005
Location: Mumbai India
Distribution: Suse Linux 9.2
Posts: 27

Original Poster
Rep: Reputation: 15
priority to nameserver

Hello

My /etc/named.conf

looks like this
Code:
# Copyright (c) 2001-2004 SuSE Linux AG, Nuernberg, Germany.
# All rights reserved.
#
# Author: Frank Bodammer, Lars Mueller <lmuelle@suse.de>
#
# /etc/named.conf
#
# This is a sample configuration file for the name server BIND 9.  It works as
# a caching only name server without modification.
#
# A sample configuration for setting up your own domain can be found in
# /usr/share/doc/packages/bind/sample-config.
#
# A description of all available options can be found in
# /usr/share/doc/packages/bind/misc/options.

options {

	# The directory statement defines the name server's working directory

	directory "/var/lib/named";

	# Write dump and statistics file to the log subdirectory.  The
	# pathenames are relative to the chroot jail.

	dump-file "/var/log/named_dump.db";
	statistics-file "/var/log/named.stats";

	# The forwarders record contains a list of servers to which queries
	# should be forwarded.  Enable this line and modify the IP address to
	# your provider's name server.  Up to three servers may be listed.

	#forwarders { 192.0.2.1; 192.0.2.2; };

	# Enable the next entry to prefer usage of the name server declared in
	# the forwarders section.

	#forward first;

	# The listen-on record contains a list of local network interfaces to
	# listen on.  Optionally the port can be specified.  Default is to
	# listen on all interfaces found on your system.  The default port is
	# 53.

	#listen-on port 53 { 127.0.0.1; };

	# The listen-on-v6 record enables or disables listening on IPv6
	# interfaces.  Allowed values are 'any' and 'none' or a list of
	# addresses.

	listen-on-v6 { any; };

	# The next three statements may be needed if a firewall stands between
	# the local server and the internet.

	#query-source address * port 53;
	#transfer-source * port 53;
	#notify-source * port 53;

	# The allow-query record contains a list of networks or IP addresses
	# to accept and deny queries from. The default is to allow queries
	# from all hosts.

	#allow-query { 127.0.0.1; };

	# If notify is set to yes (default), notify messages are sent to other
	# name servers when the the zone data is changed.  Instead of setting
	# a global 'notify' statement in the 'options' section, a separate
	# 'notify' can be added to each zone definition.

	notify no;
	forward first;
	forwarders {
		202.63.164.17;
		202.63.164.18;
		};
};

# To configure named's logging remove the leading '#' characters of the
# following examples.
#logging {
#	# Log queries to a file limited to a size of 100 MB.
#	channel query_logging {
#		file "/var/log/named_querylog"
#			versions 3 size 100M;
#		print-time yes;			// timestamp log entries
#	};
#	category queries {
#		query_logging;
#	};
#
#	# Or log this kind alternatively to syslog.
#	channel syslog_queries {
#		syslog user;
#		severity info;
#	};
#	category queries { syslog_queries; };
#
#	# Log general name server errors to syslog.
#	channel syslog_errors {
#		syslog user;
#		severity error;
#	};
#	category default { syslog_errors;  };
#
#	# Don't log lame server messages.
#	category lame-servers { null; };
#};

# The following zone definitions don't need any modification.  The first one
# is the definition of the root name servers.  The second one defines
# localhost while the third defines the reverse lookup for localhost.

zone "." in {
	type hint;
	file "root.hint";
};

zone "localhost" in {
	type master;
	file "localhost.zone";
};

zone "0.0.127.in-addr.arpa" in {
	type master;
	file "127.0.0.zone";
};

# Include the meta include file generated by createNamedConfInclude.  This
# includes all files as configured in NAMED_CONF_INCLUDE_FILES from
# /etc/sysconfig/named

include "/etc/named.conf.include";

# You can insert further zone records for your own domains below or create
# single files in /etc/named.d/ and add the file names to
# NAMED_CONF_INCLUDE_FILES.
# See /usr/share/doc/packages/bind/README.SUSE for more details.
server 202.63.164.17 {
	};
server 202.63.164.18 {
	};
cat /etc/resolv.conf gives me

nameserver 127.0.0.1
nameserver 202.63.164.17
nameserver 202.63.164.18


My question is can I use my bind DNS as primary server...?

the problem is that sometimes I get DNS failures for common sites like google.com
and I am not able to track where this error comes from..?

I restart named services and that error is gone is there any configuration..?does anybody have some idea...?
 
  


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