master and slave for same zone on with different IP addresses
Stephane Bortzmeyer
bortzmeyer at nic.fr
Thu Jul 15 11:38:34 UTC 2004
On Thu, Jul 15, 2004 at 04:03:26AM -0700,
asim khan <asim.khan at kcl.ac.uk> wrote
a message of 21 lines which said:
> I set up a virtual interface hme0:2 for the slave nameserver with
> hostname prospero.umds.ac.uk for zone umds.ac.uk on a solaris 5.9 ultra5,
> also running as the master nameserver with hostname lime.umds.ac.ukfor
> the zone umds.ac.uk on a diffrent IP address on the real interface
> hme0
That is a strange idea. Why two servers on the same machine, you lose
all redundancy.
> Using the command dig @prospero.umds.ac.uk www.kcl.ac.uk there was no
> response with a timeout error..?
It works for me:
% dig @prospero.umds.ac.uk www.kcl.ac.uk
; <<>> DiG 8.3 <<>> @prospero.umds.ac.uk www.kcl.ac.uk
; (1 server found)
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 17019
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 3, ADDITIONAL: 4
;; QUERY SECTION:
;; www.kcl.ac.uk, type = A, class = IN
;; ANSWER SECTION:
www.kcl.ac.uk. 5M IN CNAME acacia.cc.kcl.ac.uk.
acacia.cc.kcl.ac.uk. 10M IN A 137.73.2.2
;; AUTHORITY SECTION:
kcl.ac.uk. 1D IN NS iguana.kcl.ac.uk.
kcl.ac.uk. 1D IN NS axolotl.kcl.ac.uk.
kcl.ac.uk. 1D IN NS ns3.ja.net.
;; ADDITIONAL SECTION:
ns3.ja.net. 1d22h49m39s IN A 193.63.106.103
ns3.ja.net. 22h49m39s IN AAAA 2001:630:0:46::67
iguana.kcl.ac.uk. 1D IN A 137.73.2.5
axolotl.kcl.ac.uk. 1D IN A 137.73.2.8
;; Total query time: 19 msec
;; FROM: kiwi.generic-nic.net to SERVER: 159.92.16.12
;; WHEN: Thu Jul 15 13:37:29 2004
;; MSG SIZE sent: 31 rcvd: 214
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