I can't really tell. I can't reproduce the original problem anymore, but the verbose output doesn't list any v6 attempts anymore, either, so it might work by chance now, or something else changed. I'll defer to Michael Heuberger.

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** [bugs:#1424] happy eyeballs problem with host unaccessible over ipv6**
**Status:** open-confirmed
**Created:** Fri Sep 19, 2014 05:50 AM UTC by Michael Heuberger
**Last Updated:** Tue Jan 13, 2015 05:33 PM UTC
**Owner:** Daniel Stenberg
Running `curl https://sublime.wbond.net/channel.json` in the console tell me, its unreachable:
$ curl https://sublime.wbond.net/channel.json
curl: (7) Failed to connect to sublime.wbond.net port 443: Network is unreachable
But I can download that json from any browser instance.
Weird. How come?
Here more info. I am on Ubuntu 14.04:
$ curl -V
curl 7.37.1 (x86_64-pc-linux-gnu) libcurl/7.37.1 OpenSSL/1.0.1f zlib/1.2.8 libidn/1.28 librtmp/2.3
Protocols: dict file ftp ftps gopher http https imap imaps ldap ldaps pop3 pop3s rtmp rtsp smtp smtps telnet tftp 
Features: AsynchDNS GSS-Negotiate IDN IPv6 Largefile NTLM NTLM_WB SSL libz TLS-SRP 
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