> -----Original Message----- > From: bind-users-boun...@lists.isc.org > [mailto:bind-users-boun...@lists.isc.org] On Behalf Of Matus UHLAR - fantomas > Sent: Saturday, May 21, 2016 1:16 PM > To: bind-users@lists.isc.org > Subject: Re: Forward zone not working > > >2016-05-20 23:09 GMT+02:00 Woodworth, John R > ><john.woodwo...@centurylink.com>: > >> The below referenced I-D for "BULK" records: > >> * Provides "generics" which are automatically generated based on a set > >> of rules. > >> * The records have similar features as wildcards where they may be > >> superimposed > >> an appear only where more specific records do not already exist. > >> * There are provisions for DNSSEC support of BULK generated records. > >> * Can be done at any place in the DNS tree and overridden throughout the > >> tree. > >> * Can be easily AXFRed between servers. > >> * Have immeasurably lower memory footprint compared with $GENERATEs > >> (esp. IPv6). > > On 21.05.16 03:10, MegaBrutal wrote: > >I wanted to comment earlier that I really like the idea of BULK > >records, and the invention of it seems logical. I think it fits well > >into the evolution of the DNS protocol, it seems to be an answer to a > >need not seen before. I hope it will be supported by BIND in the > >future. It would be really insane to generate & store PTR records the > >traditional way when we talk about typical sizes of IPv6 ranges. > > what would you do if someone started using his home /64 network to > ping your servers? your DNS server would run out of memory very > short time after.
Matus, Thanks for the comment. This specific problem already exists today it just depends on where you want to "hide the body". More on this can be found in the I-D. Thanks, John -- John Woodworth CenturyLink, Inc. Q. Can BULK DNS Handle 18 Quintillion PTR Records?? A. BULK CAN (18,446,744,073,709,551,616 +) [ http://tools.ietf.org/html/draft-woodworth-bulk-rr-01 ] > > >As for the usefulness of PTR records for dynamic pools, I think proper, > >forward-confirmed PTR records tell valuable information of the user of > >the network. While normally this information is available in WHOIS, it > >is not so easy and straightforward to retrieve, and it is not always > >accurate. More often than not, WHOIS records only lead back to the ISP > >when actually you want to know the user of the network. In case of > >small businesses and home users, WHOIS does not reflect the actual user > >of the IP range, while a reverse PTR could give a shorthand. > > I have no idea how will ordinary DNS in ipv6 look like, but I doubt > it will look like this... > -- > Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/ > Warning: I wish NOT to receive e-mail advertising to this address. > Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. > Despite the cost of living, have you noticed how popular it remains? > _______________________________________________ > Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe > from this list > > bind-users mailing list > bind-users@lists.isc.org > https://lists.isc.org/mailman/listinfo/bind-users > This communication is the property of CenturyLink and may contain confidential or privileged information. Unauthorized use of this communication is strictly prohibited and may be unlawful. If you have received this communication in error, please immediately notify the sender by reply e-mail and destroy all copies of the communication and any attachments. _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
