[Sunhelp] strange DNS problem

[Mike Meredith at home]

saul wrote:
> 
> I have a rather odd DNS problem.  I am running both Solaris 2.6 on a sparc5/85,
> and Solaris 7-x86 on a P2-266, and I have the problem on both at the same time.
> 
> Here it is:
>         This morning, the cable modem I was using to connect to the internet had
> some scheduled downtime.  Everything was well, except that now ewery once in a
> while the cable flickers out for a second, ie there is a little break in the
> connection.  I came home after the outage, and tried to check my email.  The DNS
> lookup failed, so I tried pinging the IMAP host directly, and that worked fine.

Are you running nscd ? It's a little daemon that is supposed to cache
name lookup results, and I've noticed similar problems with the
equivalent daemon under IRIX. If you are running it, just try killing it
(it won't hurt).