Intermitant DNS errors
Shane Wegner
shane at cm.nu
Wed Jul 19 18:21:50 UTC 2000
Hi all,
I am experiencing a DNS problem which really doesn't make sence. The
problem is that some servers intermitantly timeout while looking up the
wapvi.bc.ca domain. Most servers are fine. It's just a small percentage
which do this. Trying the same server a short time later will often work
and it will resolve fine.
The wapvi.bc.ca zone has three nameservers. When attempting to track the
problem, I did a query on all three for the zone using nslookup. All were
authorative for that zone. The named.conf for the zone is as follows on all
three servers.
zone "wapvi.bc.ca" {
type slave;
or type master;
file "wapvi.bc.ca";
allow-query {
any;
};
allow-transfer {
none;
or a list of secondaries on the primary server
};
};
I will attach the zone file here. If anyone can provide any information on
how I can track this down, I would appreciate it.
Shane
--- cut ---
$ORIGIN bc.ca.
wapvi IN SOA viper.wapvi.bc.ca. hostmaster.wapvi.bc.ca. (
2000070619 10800 1800 604800 3600 )
IN NS wapvi.cm.nu.
IN NS continuum.cm.nu.
IN NS odyssey.cm.nu.
IN MX 10 viper.wapvi.bc.ca.
IN MX 20 continuum.cm.nu.
IN MX 25 odyssey.cm.nu.
IN TXT "The Western Association of Persons With Vision Imparement"
IN A 209.53.12.101
$ORIGIN wapvi.bc.ca.
localhost IN A 127.0.0.1
viper IN A 209.53.12.101
IN HINFO "i586" "linux"
news IN CNAME news.bctel.ca.
nntp IN CNAME viper.wapvi.bc.ca.
mail IN CNAME viper.wapvi.bc.ca.
smtp IN A 209.53.12.101
pop3 IN A 209.53.12.101
ftp IN CNAME viper.wapvi.bc.ca.
www IN A 209.53.12.101
support IN A 209.53.12.101
sql IN CNAME viper.wapvi.bc.ca.
$ORIGIN localnet.wapvi.bc.ca.
viper IN A 192.168.1.1
pppserver IN A 192.168.2.1
news IN CNAME news.bctel.ca.
nntp IN A 192.168.2.1
mail IN A 192.168.2.1
smtp IN A 192.168.2.1
pop3 IN A 192.168.2.1
ftp IN A 192.168.2.1
www IN A 192.168.2.1
support IN A 192.168.2.1
sql IN A 192.168.2.1
dialin1 IN A 192.168.2.2
dialin2 IN A 192.168.2.3
dialin3 IN A 192.168.2.4
millennium IN A 192.168.1.3
century IN A 192.168.1.4
tiresias IN A 192.168.1.5
ziggy IN A 192.168.1.6
--- cut ---
--
Shane Wegner: shane at cm.nu
Personal website: http://www.cm.nu/~shane/
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