followup, re: dns cache corruption

Alan DeRossett alan at digitalstarlight.com
Sat Jul 3 03:33:23 UTC 1999


Still pulling ICANN site from here after 8:00 upstream Softaware has
been 
called.
Alan DeRossett
Digital Starlight Communications Inc.

Greg Chavez wrote:
> 
> If anybody is still pulling the ICANN site when requesting
> http://www.networksolutions.com, do an ndc restart to clear your cache
> and get back with the program. Worked for me.
> 
> --Greg
> 
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> GREG CHAVEZ      CapuNet, LLC     greg at capu.net
>              http://www.capu.net
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> 
> On Fri, 2 Jul 1999, Paul A Vixie wrote:
> > folks who wanted to know how to test whether their server is corrupt:
> >
> >       dig www.networksolutions.com a @204.152.187.11 | grep 128.9.160.28
> >
> > (204.152.187.11 is my local caching server, which isn't corrupt, dammit.)
> > if the above command produces an A RR as output, your server is corrupt.
> >
> > folks who wanted to know how to dump their cache and look for this data:
> >
> >       su
> >       ndc dumpdb
> >       awk '/^\$ORIGIN/ { o=$2 } /128.9.160.28/ {print o;print}' \
> >               /var/named/named_dump.db
> >
> > (this assumes that you're using sh or csh, and that your named.conf's
> > "directory" option is set to /var/named as mine is.)  if the above command
> > shows an origin other than icann.org, or shows more than one origin, you
> > have caught something that i would like to see in my inbox -- and thanks!
> >


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