Hello,
I have a question about the query process of local dns cache to remote servers.
When my local dns cache want to find the A record for a domain name, for
example, www.example.com
If the A record doesn't exist in its cache, but example.com's NS records are
there.
Thus the dns cache will
Jinmei - Thank you.
As a follow up question, the stats queries resulted in successful answer -
does this counter only cover queries that were answered with DNS data?
how about DNS queries that where the responded with SERVFAIL, NXDOMAIN,
timed-out due to delegation, dropped, or non-successful
BIND 9.7.1b1 is now available.
BIND 9.7.1b1 is a beta version of the maintenance release for
BIND 9.7. The managed-keys-directory option is known to be
broken and a patch (namedconf.c.patch) is available.
BIND 9.7.1b1 can be downloaded from
Date: Tue, 25 May 2010 16:20:05 +0800 (CST)
From: Tech W. tech...@yahoo.com.cn
Sender: bind-users-bounces+oberman=es@lists.isc.org
Hello,
I have a question about the query process of local dns cache to remote
servers. When my local dns cache want to find the A record for a
domain
my setup:
linux/redhat name servers
bind-9.3.6-4.P1.el5_4.2
beginning yesterday i'm seeing something i haven't seen before.
if i do this (for example):
# dig weather.gov +short
;; connection timed out; no servers could be reached
and then immediately do this:
# dig weather.gov
okay, just got the answer -- problem with the firewall.
our firewall was doing a stateful inspection of dns packets,
and botching it somehow. (i didn't hear the details.)
the inspection was turned off, and now, the problem
i talked about here AND another problem i was having
both got fixed.
One of our networking personnel is trying to access
ftp.cisco.com
and is unable to do so from Argonne. He has no problem from home,
(Comcast). The Comcast DNS servers are
68.87.72.134
68.87.77.134
and report that they are running Nominum Vantio 4.2.1.0 (about which
I know very
Cool, it looks like Cisco's Distributed Directors for ftp.cisco.com are
misconfigured as open recursors:
% dig www.sun.com @sjce-ddir-ns.cisco.com
; DiG 9.3.0 www.sun.com @sjce-ddir-ns.cisco.com
;; global options: printcmd
;; Got answer:
;; -HEADER- opcode: QUERY, status: NOERROR, id: 1471
In message 20100525202455.06f0b40...@britaine.cis.anl.gov, b19...@anl.gov wri
tes:
One of our networking personnel is trying to access
ftp.cisco.com
and is unable to do so from Argonne. He has no problem from home,
(Comcast). The Comcast DNS servers are
68.87.72.134
I tried these myself, and I am still scratching my head on the results.
First, I tried to look for just ftp.cisco.com's A record, and I got back the
answer 198.133.219.241.
$ dig @4.2.2.2 ftp.cisco.com. a
; DiG 9.4.3-P3 @4.2.2.2 ftp.cisco.com. a
; (1 server found)
;; global options: printcmd
Hi, all
I tried to add one A record on the master, but the slave did not get the new
record.
my slave settting is :
zone mydomain.com.cn IN {
type slave;
file mydomain.com.cn.zone;
masters {10.69.3.1;};
};
10.69.3.1 is my master ip. bind version is
Yunfeng Xu wrote:
Hi, all
I tried to add one A record on the master, but the slave did not get the
new record.
my slave settting is :
zone mydomain.com.cn http://mydomain.com.cn IN {
type slave;
file mydomain.com.cn.zone;
masters {10.69.3.1;};
};
10.69.3.1 is my
On May 25, 2010, at 9:57 PM, Yunfeng Xu wrote:
Hi, all
I tried to add one A record on the master, but the slave did not get
the new record.
my slave settting is :
zone mydomain.com.cn IN {
type slave;
file mydomain.com.cn.zone;
masters {10.69.3.1;};
};
10.69.3.1
We have some people at my site who like a zone configured on our internal DNS
server named .apple.com. The zone information would not be replicated to
our external server but I suggested this is not a good idea basically because
the domain name of apple.com and if for some reason this zone
From: Gary Gladney glad...@stsci.edu
Date: Tue, 25 May 2010 22:30:15 -0400 (EDT)
Sender: bind-users-bounces+oberman=es@lists.isc.org
We have some people at my site who like a zone configured on our
internal DNS server named .apple.com. The zone information would
not be replicated
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