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Re: [PLUG] DNS cache updates
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> In my DNS, I just changed the IP address of a hostname. Any DNS that does
> not have the IP address of that hostname/IP cached is resolving it
> correctly to the new hostname now. How long will it take for cached IPs
> to update ?
>
> iqgroup.com. IN SOA ns.iqgroup.com. hostmaster.iqgroup.com. (
> 2000021101
> 28800
> 7200
> 604800
> 86400 )
That last value in the SOA record is called the TTL (time-to-live), and
dictates how long a resolver should cache queries for. So, assuming you
don't define a different value for the TTL elsewhere in the zonefile, it
shouldn't take any longer than 24 hours for the changes to propagate.
-mct
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