On 14 Nov, Ronald van der Pol wrote: | On Thu, Nov 13, 2003 at 17:06:14 +0100, Mohsen Souissi wrote: | | > Hi, | > | > Thanks very much for that document. It is very useful for the | > community. | > | > I have only 2 comments concerning Appendix A: | | Thanks for your comments. | | > 1) Among the 39 mentioned name servers, why are there duplicates (same | > names with the same addresses, see for example d.dns.jp (3 times) or | > ns.nic.ir (2 times) ? | | Oops. Seems like I forgot a uniq(1). The result with respect to drops | still stands, but the 39 figure is actually less. | | > 2) As far as I know, the IPv4-mapped IPv6 addresses are irrelevant in | > this context (see *.dotdm.net et *.netdns.com), do these name servers | > have regular (2001 or 3ffe) IPv6 addresses ? | | We queried the auth nameservers for those. They only report mapped | addresses, no global addresses. Why are these mapped addresses irrelevant | in this context? They show up in the additional section. ==> Hmmm... Can you reach them? ;-) I can't ! Going back to a discussion which took place 2 years ago on dnsop mailing-list, I found the following thread: http://www.cafax.se/dnsop/maillist/2001-09/msg00021.html Hope that helps... Mohsen.