Re: DNS time to live & lookup delays...

["Jens B. Jorgensen" <jjorgens@bdsinc.com>]

Your TTL already seems to be zero (note the second field in the answer record):

chilin$ dig stream.klaradio.com

; <<>> DiG 8.1 <<>> stream.klaradio.com
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
;; QUERY SECTION:
;;      stream.klaradio.com, type = A, class = IN

;; ANSWER SECTION:
stream.klaradio.com.    0S IN A         164.67.190.178

;; AUTHORITY SECTION:
klaradio.com.           1d9h40m58s IN NS  NS1.klaradio.com.
klaradio.com.           1d9h40m58s IN NS  NS2.klaradio.com.

;; ADDITIONAL SECTION:
NS1.klaradio.com.       0S IN A         209.241.149.168
NS2.klaradio.com.       1d9h40m58s IN A  209.241.149.169

;; Total query time: 3604 msec
;; FROM: chilin to SERVER: default -- 127.0.0.1
;; WHEN: Tue May  4 09:46:03 1999
;; MSG SIZE  sent: 37  rcvd: 133


Lev Lvovsky wrote:

> Hello,
>
> I recently set it up so that my linux box runs the klaradio.com domain.  I
> am running my own DNS server off the machine, and I have a few questions:
>
> one of the addresses that I'd like to put under a subdomain of the site
> (stream.klaradio.com) has it's IP changed somewhat frequently (once a
> month), a guru here at work mention the TTL option in the DNS settings for
> the site as being updated more frequently than normal for this so that the
> cache files of other servers aren't outdated...since then the guru has
> left (*snifff*), and I'm really curiou how to do this....more
> specifically, would this change the TTL times of the whole site?  I assume
> that it would, as I 've only seen one entry for TTL for a whole zone.
>
> Also, I'm running this over an ADSL line 384/384kbps that usually sees
> around 20Kb/s during peak hours...is it normal for there to be a delay of
> around 10 seconds for a lookup to be performed by a non-local machine
> (heh, go ahead, give it a try :).
>
> thanks !!!
> -lev
>
> --
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--
Jens B. Jorgensen
jjorgens@bdsinc.com