About TTL

[Mark.Andrews at nominum.com]

	Well the slave zones have a serial (2000080401) that is bigger
	than that of the master (2000012100).  It looks like you forgot
	that it was 2001.

	Mark

> 
> Hello BIND-users
> 
> I am running an authoritative NS for coptic.net domain. The NS is 128.197.14.
> 80.When I dig at 128.197.14.80 for www.coptic.net I get a reply with TTL of 60 s
> ec, which is what I have set up in the db files.
> 
> However, when I dig for www.coptic.net, the default NS (128.197.12.2) of a li
> nux box that I work on, I get the TTL as greater that 60sec ( something to th
> e order of 86400 sec).
> 
> I was wondering how this could happed, if 128.197.12.2 cached an answer from 
> 128.197.14.80 for www.coptic.net, it should have cached the TTL as 60 sec? 
> 128.197.12.2 is using BIND 9.1.0
> 128.197.14.80 is using BIND 8.2.2 P7 if this is any help.
> 
> Attached are the db files and dig results 
> 
> Thanks
> - Sumit
> ================================
> db.coptic.net
> -------------
> $TTL    60
> coptic.net.   IN     SOA     dhruv.coptic.net. hostmaster.dhruv.coptic.net. (
>                                             2000012100
>                                             10800
>                                             3600
>                                             604800
>                                             3600
>                                             )
> 
>                     IN      NS      dhruv.coptic.net.
>                     IN      MX     10   mail.coptic.net.
> 
> coptic.net.             IN      A       128.197.10.20
> mail.coptic.net.        IN      A       128.197.10.20
> dhruv.coptic.net.       IN      A       128.197.14.80
> 
> www                 IN      CNAME   coptic.net.
> ------------------------
> 
> % dig @128.197.12.2 www.coptic.net
> 
> ; <<>> DiG 9.1.0 <<>> @128.197.12.2 www.coptic.net
> ;; global options:  printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6837
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 3
> 
> ;; QUESTION SECTION:
> ;www.coptic.net.                        IN      A
> 
> ;; ANSWER SECTION:
> www.coptic.net.         80886   IN      A       128.197.10.20
> 
> ;; AUTHORITY SECTION:
> coptic.NET.             167286  IN      NS      ATLNS01.WEBHOSTING.INTERLIANT
> .COM.
> coptic.NET.             167286  IN      NS      ATLNS02.WEBHOSTING.INTERLIANT
> .COM.
> coptic.NET.             167286  IN      NS      DHRUV.coptic.NET.
> 
> ;; ADDITIONAL SECTION:
> ATLNS01.WEBHOSTING.INTERLIANT.COM. 71988 IN A   209.196.32.34
> ATLNS02.WEBHOSTING.INTERLIANT.COM. 71988 IN A   209.196.32.38
> DHRUV.coptic.NET.       71988   IN      A       128.197.14.80
> 
> ;; Query time: 3 msec
> ;; SERVER: 128.197.12.2#53(128.197.12.2)
> ;; WHEN: Fri Feb  9 04:04:48 2001
> ;; MSG SIZE  rcvd: 195
> 
> 
> -------------------------
> 
> % dig @128.197.14.80 www.coptic.net
> 
> ; <<>> DiG 9.1.0 <<>> @128.197.14.80 www.coptic.net
> ;; global options:  printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 54839
> ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 1, ADDITIONAL: 1
> 
> ;; QUESTION SECTION:
> ;www.coptic.net.                        IN      A
> 
> ;; ANSWER SECTION:
> www.coptic.net.         60      IN      CNAME   coptic.net.
> coptic.net.             60      IN      A       128.197.10.20
> 
> ;; AUTHORITY SECTION:
> coptic.net.             60      IN      NS      dhruv.coptic.net.
> 
> ;; ADDITIONAL SECTION:
> dhruv.coptic.net.       60      IN      A       128.197.14.80
> 
> ;; Query time: 3 msec
> ;; SERVER: 128.197.14.80#53(128.197.14.80)
> ;; WHEN: Fri Feb  9 04:05:35 2001
> ;; MSG SIZE  rcvd: 108
> 
> 
> 
> 
--
Mark Andrews, Nominum Inc.
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com