[dns-wg] DNS lameness question

On Tue, Mar 17, 2009 at 11:36 AM, Matus UHLAR - fantomas
<uhlar at fantomas.sk>wrote:

> Hello,
>
> We have received informations about DNS lameness in our reverse
> delegations.
>
> We have delegated (most of) our reverse zones to:
>
> ns.nextra.sk
> ns1.nextra.sk
> dns.nextra.sk
> dns.gtsi.sk
>
> Some time ago, since there were some problems, I removed the dns.nextra.sk
> record from the nextra.sk zone, and assigned its IP address to
> ns.nextra.sk.
> No direct zones were delegated to it (hopefully, not by us), this caused no
> problem there (at least not caused by us).
>
> However the delegations in RIPE do still point to dns.nextra.sk. There are
> plenty of them, and I plan to change the NS scheme to make it more
> reliable,
> easier to implement and harder to abuse (e.g. naming only some of NS
> records), so the structure will change even more. For this reason I decided
> not to change all delegations (to spare our RIPE contacts from modifying it
> all twice) until I will do that.
>
> However on Feb 24, RIPE sent lameness notifications to us and our RIPE
> contact got angry at me for not notifying them about this change, and
> requesting that I add the record back. I prefer not to do that, since my
> plans are very different and customers tend to put anything to NS records
> without asking. Adding CNAME record would not solve this problem since NS
> must not point to CNAME (scripts at RIPE check for that, right?).
>
> So I'm asking you for an advice
> - is it possible to mass-remove the "dns.nextra.sk" from delegations?


Write an script to mass change all your delegations and send it all as
GPG/PGP signed mail.

- would it cause big problem if I kept it as it is, even if dns.nextra.sk
>  does not exist? (I hope no delegations will be removed because of this)

- is there anything other to advise me?


Put dns.nextra.sk back into the zone until you resolve this issue.

Ondrej.
-- 
Ondrej Sury
technicky reditel/Chief Technical Officer
-----------------------------------------
CZ.NIC, z.s.p.o.  --  .cz domain registry
Americka 23,120 00 Praha 2,Czech Republic
mailto:ondrej.sury at nic.cz  http://nic.cz/
sip:ondrej.sury at nic.cz <sip%3Aondrej.sury at nic.cz> tel:+420.222745110
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