www.gentoo.org is finally available over IPv6, but only one of v6 addresses answers on port 80. Reproducible: Always Steps to Reproduce: 1. $ dig +noall +answer aaaa www.gentoo.org @ns2.gentoo.org www.gentoo.org. 1800 IN CNAME www-bytemark-v4v6.gentoo.org. www-bytemark-v4v6.gentoo.org. 900 IN AAAA 2001:41c8:0:936::136 www-bytemark-v4v6.gentoo.org. 900 IN AAAA 2001:41c8:0:936::137 2. $ telnet 2001:41c8:0:936::136 80 Trying 2001:41c8:0:936::136... Connected to 2001:41c8:0:936::136. Escape character is '^]'. GET / HTTP/1.1 Host: www.gentoo.org HTTP/1.1 200 OK [.. cut ..] 3. $ telnet 2001:41c8:0:936::137 80 Trying 2001:41c8:0:936::137... telnet: Unable to connect to remote host: Connection timed out Actual Results: Timeout when connecting to [2001:41c8:0:936::137]:80 Expected Results: Successful connection on both addresses OR only working address returned in dns query Users of web browsers that don't implement "happy eyeballs" may experience long delays when opening www.gentoo.org.
Fixed in DNS, was pointing to the wrong host