cache dead records

[Barry Margolin]

In article <mailman.757.1256269525.14796.bind-users at lists.isc.org>,
 netfox at royal.net wrote:

> Hello,
> 
> We are using bind9 for DNS Cache.
> What the problem is, sometime the IP address for a domain is dead, but 
> Bind won't know, and still responds the dead IP to clients, after that 
> clients access the sites failed.
> So is there a way to do health check for destination IPs before 
> responding the DNS answers?
> 
> Thanks.

If you call Directory Assistance, do you expect them to not give you a 
phone number if there's no one home?

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE don't copy me on replies, I'll read them in the group ***