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To: "cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject: RE: [EXTERNAL] Re: Cygwin/Win32 utility function to convert "raw"
 IPv6 address string into *.ipv6-literal.net string ?
Thread-Topic: [EXTERNAL] Re: Cygwin/Win32 utility function to convert "raw"
 IPv6 address string into *.ipv6-literal.net string ?
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From: "Lavrentiev, Anton \(NIH/NLM/NCBI\) \[C\] via Cygwin" <cygwin AT cygwin DOT com>
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Sender: "Cygwin" <cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com>

> What do you think that output is - the PTR is resolved to "localhost."

You obviously did not get the point that I was making.  Using ip6.arpa *is* the standard
way to get around with "DNS-like" IPv6 addresses, as it would be "understood".  Using
the "ipv6-literal.net" domain is not portable and would result in NXDOMAIN anywhere
but Windows (where the resolver seems to intercept and convert them internally).

Anton Lavrentiev
Contractor NIH/NLM/NCBI


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