http://time.gov/HTML5/ over IPv6 is broken.
% fetch -6v http://time.gov/HTML5/
looking up time.gov
connecting to time.gov:80
requesting http://time.gov/HTML5/
404 Not Found
Not Found
The requested URL /HTML5/ was not found on this server.
fetch: http://time.gov/HTML5/: Not Found
% fetch -4v http://time.gov/HTML5/
looking up time.gov
connecting to time.gov:80
requesting http://time.gov/HTML5/
remote size / mtime: 10438 / 1414696016
fetch.out 100% of 10 kB 104 MBps
%
Mark