[lug] DNS Time

[Shannon M. Johnston]

Man! I am always impressed at the response rate in this list!
Thanks!

"Jeffrey B. Siegal" wrote:

> "Shannon M. Johnston" wrote:
> > How do I reduce the TTL time?
>
> The default TTL for the domain is in the SOA record.  Mine looks like this:
>
> @                       IN      SOA     lx.quiotix.com. root.lx.quiotix.com. (
>                                 1999061903      ;Serial
>                                 86400           ;Refresh
>                                 3600            ;Retry
>                                 3600000         ;Expire
>                                 172800)         ;Minimum
>                                 IN      NS      lx.quiotix.com.
>                                 IN      NS      ns.brainstorm.net.
>                                 IN      NS      lambda.lambdatel.com.
>                                 IN      NS      ns2.brainstorm.net.
>
> The "Minimum" (poorly named) sets the TTL (in seconds) for all records in the
> domain that don't have one.  If you want to change the TTL for just a single
> record, I think you just add it to that line after the name:
>
> For example, change
>
>     jeff-pc            IN      A       199.164.185.8
>
> to
>
>     jeff-pc  300       IN      A       199.164.185.8
>
> I'm not 100% sure this is right though.  Check the bind documentation or try
> it and see.  After making any changes to your zone files, do a "killall -HUP
> named"
>
> You can check the TTL on records using "dig":
>
> --->
> [jbs at lx Downloads]$ dig jeff-pc.quiotix.com
>
> ; <<>> DiG 8.2 <<>> jeff-pc.quiotix.com
> ;; res options: init recurs defnam dnsrch
> ;; got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
> ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 4
> ;; QUERY SECTION:
> ;;      jeff-pc.quiotix.com, type = A, class = IN
>
> ;; ANSWER SECTION:
> jeff-pc.quiotix.com.    2D IN A         199.164.185.8
> <---
>
> Hope this helps.
>
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