[dns-wg] Re: rev delegation robot and selection of NS to pull zone from

Moin!

On 21.11.2008, at 10:28, Wilfried Woeber, UniVie/ACOnet wrote:

> My feeling is that the current behaviour is quite reasonable. Of  
> course
> we might suggest to look at the NS records (in addition maybe), but I
> presume that many folks do not allow zone transfers from *all* NS in  
> the
> set.
Correct, but only one is required for a proper transfer.

> Unless we find a "clever" way to provide the info about the name  
> server(s)
> to try for a transfer, overall, we would just increase the number of  
> failed
> attempts. Whether that would do any harm (at the NCC's or customer's  
> end)
> is a different story, maybe.
Yes it could clutter the logs, but if one transfer would succeed it  
would be ok. I have used this technique successfully during various  
DNS migrations.

>> Both are options, but I still would like to know if it wouldn't make
>> more sense to use nserver records or NS RRset. Do you have some
>> statistics on how often the MNAME is not in the nserver/NS RRset?
>
> I definitely don't have any figures.
Sorry that was a question to Anand, but I didn't point that out. Anand  
do you have statistics for the current delegations?

So long
-Ralf
---
Ralf Weber
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