AAAA records (was: Re: IPv6 packets with HBH)

Eric Vyncke (evyncke) evyncke at cisco.com
Thu Aug 7 14:50:41 CEST 2014


Jens

I am sure that you know about the numerous statistics in a related way on:
https://www.vyncke.org/ipv6status or http://6lab.cisco.com/stats and many
others ;-)

And, if you want to test your extension header (actually only testing the
routing header one): https://www.vyncke.org/sr.php

-éric


On 7/08/14 13:05, "Jens Link" <lists at quux.de> wrote:

>Fernando Gont <fernando at gont.com.ar> writes:
>
>Hi,
>
>> This is the current state of affairs on the public IPv6 Internet:
>> 
>><http://www.iepg.org/2014-07-20-ietf90/iepg-ietf90-ipv6-ehs-in-the-real-w
>>orld-v2.0.pdf>
>
>After reading slide 7 I decided to take a closer look at those "funny"
>IPv6  addresses. I used host to get AAAA record for the Alexa Top
>1Milion domains, and after a lot of DNS lookups I found the following:
>
>70502 GLOBAL-UNICAST
>94 IPV4MAP
>50 LOOPBACK
>49 LINK-LOCAL-UNICAST
>30 RESERVED (including 9 RFC 3849 (2001:db8)  addresses)
>19 IPV4COMP
>5 UNSPECIFIED
>1 UNIQUE-LOCAL-UNICAST
>
>I planing to modify my script to look for 6to4 and teredo, speed up DNS
>lookups and maybe adding www to any Domain without a AAAA record and
>runs these test on a monthly base. Any more ideas?
>
>Jens
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