nsupdate

rams bramesh80 at gmail.com
Fri Oct 1 09:28:28 UTC 2010


An observation in nsupdate:





Suppose we have two A records as ,



*addforixfr.bind9712.com. 3456   IN      A       10.32.21.30*

*addforixfr.bind9712.com. 3456   IN      A       10.32.21.20*



When we update TTL value as below for one of the records , the TTL value
changes for both the records.



*update add addforixfr. bind9712.com 8564 A 10.32.21.30*

* *



[root@ zones]# dig @ addforixfr.bind9712.com



; <<>> DiG 9.2.4 <<>> @ addforixfr.bind9712.com

; (1 server found)

;; global options:  printcmd

;; Got answer:

;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 15707

;; flags: qr aa rd; QUERY: 1, ANSWER: 2, AUTHORITY: 5, ADDITIONAL: 0



;; QUESTION SECTION:

;addforixfr.bind9712.com.       IN      A



;; ANSWER SECTION:

*addforixfr.bind9712.com. 8564   IN      A       10.32.21.20*

*addforixfr.bind9712.com. 8564   IN      A       10.32.21.30*



;; AUTHORITY SECTION:

bind9712.com.           86400   IN      NS      ns3.bind9712.com.

bind9712.com.           86400   IN      NS      ns4.bind9712.com.

bind9712.com.           86400   IN      NS      ns5.bind9712.com.

bind9712.com.           86400   IN      NS      ns1.bind9712.com.

bind9712.com.           86400   IN      NS      ns2.bind9712.com.



;; Query time: 1 msec

;; SERVER: 10.31.142.24#53(10.31.142.24)

;; WHEN: Mon Mar 15 02:53:32 2010

;; MSG SIZE  rcvd: 163


Please clarify me.
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