Why doesn't bind query the second DNS?

[James Griffin]

Leonard den Ottolander wrote:
> 
> Hi folks,
> 
>  Thanks a lot for your answers.
>  No, I am not in any way responsible for these DNS's. The question was just
> out of curiosity.
> 
> > > ;; ANSWER SECTION:
> > > www.linux-easy.com.     12000   IN      CNAME   linux-easy.com.
> > > linux-easy.com.         12000   IN      A       64.239.85.40
> > > www.linux-easy.com.     12000   IN      A       64.239.85.40
> > >
> > > ;; Query time: 561 msec
> > > ;; SERVER: 61.220.123.84#53(dns2.yoho.com)
> > > ;; WHEN: Sat Aug 31 18:21:36 2002
> > > ;; MSG SIZE  rcvd: 146
> >
> >  Well it would help if the above was a LEGAL answer to the
> >  question.  The nameserver is returning a CNAME and a A
> >  record.  This is illegal.
> 
>  This is good to know. Guess I should read up on this a little bit. Any
> suggestions (books, online resources)?
>  I feel a bit silly that I oversaw the fact that the two yoho.com DNS's are
> actually the same machine. It definitely explains why no servers could be
> reached. Next time I'll look a little closer before asking. It's just that
> lately I had some trouble with the resolving of another name. This problem
> (almost totally) dissappeared after upgrading from bind-8 to bind-9. Not sure
> if that is coincidence. If I encounter that problem again I might bother you
> with some more output :).
> 
> Thanks again,
> Leonard.

Looking a bit deeper, whois linux-easy.com turns up a rather well known
spam domain, i.e., 163.com.  Also linux-easy.com is just a week old
today.

[snip]
Registrant:
         heyuantao drc at vip.163.com 13018501730
         Zhang Tian
         gd
         Guangzhou,Guang Dong,CN 510000


Domain Name:linux-easy.com
Record last updated at 2002-08-24 14:01:16
Record created on 2002/8/24
Record expired on 2003/8/24


Domain servers in listed order:
         dns2.yoho.com 61.220.123.85
         dns1.yoho.com 61.220.123.84

Administrator:
         Huang ming drc at vip.163.com 13018501730
         Huang ming
         gd
         Guangzhou,gd,CN 510000

Technical Contactor:
         Huang ming drc at vip.163.com 13018501730
         Huang ming
         gd
         Guangzhou,gd,CN 510000

Billing Contactor:
         Huang ming drc at vip.163.com 13018501730
         Huang ming
         gd
         Guangzhou,gd,CN 510000

$whois 163.com
[snip]
Registrant:
Netease.com, Inc (163-N5-DOM)
   15/F,North Tower,Kerry Centre
   BEIJING, BJ 100020
   CN

   Domain Name: 163.COM

   Administrative Contact, Technical Contact:
      Netease.com, Inc.  (ZJJ-ORG)              admin at NEASE.NET
      Netease.com, Inc.
      15/F,Kerry Centre,North Tower
      beijing, bj 100020
      CHINA
      861065618811
      Fax- - 86-20-83851102

   Record expires on 24-Jan-2004.
   Record created on 24-Jan-2000.
   Database last updated on 1-Sep-2002 09:33:25 EDT.

   Domain servers in listed order:

   NS.NEASE.NET                 202.106.185.75
   NS2.NEASE.NET                61.145.113.57