DNS timeout problems

[Chris Thompson]

On May 3 2007, Stephane Bortzmeyer wrote:

>On Thu, May 03, 2007 at 11:31:26AM +0530,
> satish patel <satishp at tulipit.com> wrote 
> a message of 10 lines which said:
>
>> I have bind 9.2.4 i have losts of problem of timeout when cache not
>> updated so why this happend
>
>Details are needed. 'dig +trace' output, traceroute tests to see if it
>is a layer 3 problem, etc. You provide far too few information.
>
>> some author ans me the problem is ipv6 caz A and B root server
>> support ipv6 due to query delay problem
>
>Sorry, but the above sentence is extremely difficult to parse. Please
>spend more time writing.
>
>The only thing I can say is that the person that informed you is quite
>clueless. A-root has *no* IPv6 support. None of the root name servers
>publish its IPv6 address (even when there is one).

They probably meant that the A and B _GTLD_ nameservers publish their 
IPv6 addresses.

We are all guessing in the dark about the OP's real situation here, but
I would have taken a wild stab at "upgrade to BIND 9.3.x and use -4".

-- 
Chris Thompson
Email: cet1 at cam.ac.uk