bypass isp dns cache

alright i have a domain name and a recently set up dns server, it all works and resolves from the root server's point of view, but my isp's dns cache is not refreshing to reflect the changes. now i have heard of slow isp refreshes, but its been 4 days. is here any way to bypass their cache until they flush? i already e-mailed them about flushing it, dont know if they will or not...

I'm not an expert, but when we config our dns server to
forward the entire query to the ISP name server, the ISP
name server should cache the record for a domain for a time
that the domain set the TTL. Let's say I have a domain and
the TTL for it is 24 hours, the ISP name server should cache
the record for only 24 hour, if the ISP caches the record
for more time, then the ISP is suck, and we can do nothing.
Well, almost nothing, we can do all the query direct to the
Root server, without forward, but it will be a wasted traffic.

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