resolution problem

Matus UHLAR - fantomas uhlar at
Wed May 25 06:44:05 UTC 2016

>>>In article <mailman.812.1463666011.73610.bind-users at>,
>>> Matus UHLAR - fantomas <uhlar at> wrote:
>>>> often a problem of invalid NS delegation, or bad TTL (A record for a server
>>>> expires before NS record).
>> On 19.05.16 15:31, Sam Wilson wrote:
>>>Glue A records for the nameservers have 172800 TTL, authoritative A
>>>records have 1200.
>> that's it!
>>          3600    IN      NS
>>          3600    IN      NS
>>     1200    IN      A
>>     1200    IN      A
>> after 1200 seconds, the A records expire, but the NS records don't.
>> Next 2400 seconds you know that you have to ask and
>>, but you can't find their IPs, because ...  you don't
>> know their IPs.
>> while some DNS servers can cope with that, it's still broken setup.

On 24.05.16 11:14, Thomas Schulz wrote:
>Our server here running BIND 9.10.3-P4 seems to handle it OK. Do some
>versions of Bind work with this broken setup while other versions do
>not? I wonder what versions of Bind are running on the two servers
>that do work and what versions on the two that do not.

I can't tell you under what circumstances it works and when it doesn't.
I can only repeat that this setup is broken and why.

There's no point of complaining before it's fixed, it's just ranting:
"I have broken setup and it doesn't work on some servers..."

Matus UHLAR - fantomas, uhlar at ;
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
Spam = (S)tupid (P)eople's (A)dvertising (M)ethod

More information about the bind-users mailing list