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[IPv6] RFC for fec0:0:0:ffff::1?

Klaus Frank <klaus.frank@posteo.de> Wed, 30 November 2022 04:08 UTC

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Date: Wed, 30 Nov 2022 04:08:07 +0000
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From: Klaus Frank <klaus.frank@posteo.de>
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Subject: [IPv6] RFC for fec0:0:0:ffff::1?
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Hi,

does anyone know what RFC is responsible for the IPv6 DNS server 
configuration on all windows clients defaulting to fec0:0:0:ffff::1, I 
was unable to find any. Nor is it listed in the iana special-purpose 
address registry.

I however found a draft (draft-ietf-ipv6-0dns-discovery-07) from 2002, 
but no actual RFC.

Does anyone know more about this? Is this something that is "just 
Microsoft specific" or is there a more general standard behind it?

Sincerely,
Klaus Frank

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