manually expiring cached dns entries on nameservers

[Barry Margolin]

In article <casetl$22tt$1 at sf1.isc.org>,
 "Rein Petersen" <rp2969 at hotmail.com> wrote:

> Hi All,
> I'm trying to assist a friend who has incorrectly updated his mx entries for 
> his site. As people have been unsuccessfully trying to send mail from various 
> networks, new cached entries that are incorrect are going to continue to 
> misroute mail until they expire (an unfortunately long time). I am hoping 
> that there may be a way for me to update caching dns servers on other 
> networks - or at least tell them to drop whatever cached records they are 
> holding...
> 
> Is this possible and if so, how?

It can be done by the administrators of those caching servers, but 
there's no way for you to do it.  So you'd have to send email to every 
ISP and company that might have tried to send mail to you since the 
incorrect entry was created.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***