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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