[thelist] isp dns caches not updating

Daniel J. Cody djc at five2one.org
Mon Oct 9 11:55:55 CDT 2000


Liz  -

If you don't mind sharing, whats the domain name you're referring to?
Also who are the old and new hosting providers? If you're comfortable
sharing this info, it would help a lot in trying to figure out where the
problems may be.

Thanks :)

.djc.

Liz Lawson wrote:
> 
> Hi
> 
> Recently we switched our hosting providers, which meant that we were no
> longer at our old IP number.
> 
> The previous site is still on the old server, and we still have ftp access
> to it. After almost three weeks, we are still getting hits in the log files.
> 
> I know that it can take a few days for an IP change to trickle through, but
> three weeks seems a bit extreme. Do ISPs really update their DNS caches so
> infrequently, or am I overlooking another problem?
> 
> The domains in the logs include (but are limited to)
> 
> tnt-3-113.easynet.co.uk
> host62-7-99-89.btinternet.com
> cache-ra05.proxy.aol.com
> 
> We have another domain name (hosted at a third party) which just points to
> the same space and certainly accounts for a few of these rogue hits, but we
> never got more than one or two a week through there in the past and we have
> far more mystery hits than that.
> 
> (If the old host had logged referrer info, we'd know for sure, but that's
> the sort of thing which has lead us to leave them...)
> 
> Has anyone experienced such a long lag, or have any other thoughts?
> 
> Liz Lawson
> Web Designer, The Greetings Card Company Limited
> www.charitycards.co.uk
> 
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