Can't resolve a domain by Cache Server

[phn at icke-reklam.ipsec.nu]

Joe Shen <sj_hznm at yahoo.com.cn> wrote:
> Hi,

> We met a strange behavior with our cache server that
> it can't resolve a special domain from time to time. 

> The phenomenon is: we set up a cache server on a
> Solaris8 with BIND9. It seems it could serve our
> customers' requestes successfully. But, the day before
> yesterday someone told me the cache server could not
> resolve names under 50hz.cn from time to time. 

> We check ns1.50hz.cn , ns2.50hz.cn, www.50hz.cn by
> nslookup. The results shows , the three names could be
> solved from time to time but it fails frequently.
> There is no periodical characteristics with the
> frequency of failings.  If we set up cache server to
> forward all requests on 50hz.cn to its name server, no
> requests fails.  We contacted with administrator of
> 50hz.cn and they told us they use BIND9 on Linux .
> We don't understand why this happens and how could we
> fix it.

Don't you worry, the zone is broken (Tm)

I'll leave the problems to the sysadmins at 50hz.cn, they 
might need some training.

> Has anybody met similar problem? 

Shure. There is lot's of broken zones "out there"

-- 
Peter Håkanson         
        IPSec  Sverige      ( At Gothenburg Riverside )
           Sorry about my e-mail address, but i'm trying to keep spam out,
	   remove "icke-reklam" if you feel for mailing me. Thanx.