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Re: [Fwd: Re: About IPv6 private address]




On 5-Feb-2008, at 01:12, Christian Huitema wrote:

Actually, the “ipv6-literal.net” domain is properly registered and all that, so it really is a “Microsoft managed subdomain”. But yes, this is a work around for the applications that have trouble parsing IPv6 literals. There is an example of using it for sharing files using IPv6 literal addresses at http://support.microsoft.com/kb/ 944007. The mechanism is described athttp://technet.microsoft.com/en-us/library/bb726965.aspx , look for “Support for ipv6-literal.net Names”.

It's a shame the authoritative server concerned doesn't actually return AAAA records in response to those queries (or, at least, those queries which could conceivably result in global-scope answers).

You just know someone on a Windows system is going to publish an URL at some point that people not on Windows systems are going to follow, and hilarity is going to result.

(But in the absence of an authority server which can give real answers, SERVFAIL is probably the right thing.)

[monster:~]% dig 2001-500-2f-0-0-0-0-f.ipv6-literal.net. IN AAAA

; <<>> DiG 9.3.4-P1 <<>> 2001-500-2f-0-0-0-0-f.ipv6-literal.net. IN AAAA
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 23383
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;2001-500-2f-0-0-0-0-f.ipv6-literal.net.	IN AAAA

;; Query time: 914 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Feb  5 13:34:06 2008
;; MSG SIZE  rcvd: 56

[monster:~]%


Joe