[dns-wg] Re: rev delegation robot and selection of NS to pull zone from
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Ralf Weber
denic at eng.colt.net
Fri Nov 21 11:05:25 CET 2008
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 Platform Infrastructure Manager Colt Telecom GmbH Herriotstrasse 4 60528 Frankfurt Germany DDI: +49 (0)69 56606 2780 Internal OneDial: 8 491 2780 Fax: +49 (0)69 56606 6280 Email: rw at colt.net http://www.colt.net/ Data | Voice | Managed Services Schütze Deine Umwelt | Erst denken, dann drucken ***************************************** COLT Telecom GmbH, Herriotstraße 4, 60528 Frankfurt/Main, Deutschland * Tel +49 (0)69 56606 0 * Fax +49 (0)69 56606 2222 * Geschäftsführer: Albertus Marinus Oosterom (Vors.), Rita Thies * Amtsgericht Frankfurt/Main HRB 46123 * USt.-IdNr. DE 197 498 400
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