nslookup/dns/other problems.
Max Waterman
davidmaxwaterman at yahoo.com
Fri Dec 19 10:58:27 UTC 2003
I hope someone here can help me.
I'm no expert...yada yada.
I have a RH9 system running bind-9.2.1-16. This machine has many
functions, including firewall, dhcpd, imapd, smtpd, httpd, and
bind/dns.
The dns is set up to resolve intranet addresses, and to forward
internet queries.
On the whole, it does seem to work; specifically, our MS Windows
machines don't seem to have any trouble.
My machine running Mac OS X 10.3.2, on the other hand, has some
problems. The symptom is that initial attempts to resolve a name fail,
but subsequent immediate attemps succeed. For example, if I use a web
browser to access http://mail.yahoo.com/ it will respond with a
message that the site does not exist. If I then immediately reload, it
succeeds. I get similar problem when I use nslookup or dig, though dig
does seem to succeed more often.
During the course of attempting to find the cause to this problem, I
have noticed that one of the names I have defined in as an alias[1]
for our dns machine - 'junction' - does not resolve with 'dig', but
does with 'nslookup'.
% nslookup junction
Note: nslookup is deprecated and may be removed from future releases.
Consider using the `dig' or `host' programs instead. Run nslookup
with
the `-sil[ent]' option to prevent this message from appearing.
Server: 192.168.0.1
Address: 192.168.0.1#53
Name: junction.jingmei.org
Address: 192.168.0.1
% dig junction
; <<>> DiG 9.2.2 <<>> junction
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 28385
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;junction. IN A
;; AUTHORITY SECTION:
. 10129 IN SOA A.ROOT-SERVERS.NET.
NSTLD.VERISIGN-GRS.COM. 2003121801 1800 900 604800 86400
;; Query time: 30 msec
;; SERVER: 192.168.0.1#53(192.168.0.1)
;; WHEN: Fri Dec 19 18:56:31 2003
;; MSG SIZE rcvd: 101
Can someone suggest to me why this might be the case?
Max.
[1]
junction A 192.168.0.1
ldap A 192.168.0.1
smtp A 192.168.0.1
imap A 192.168.0.1
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