There s a plethora of checks I could do, and a lot of sites which check from different locations within china. The Internet is not same everywhere... But even some of these sites are blocked.

I did visit one of those quickly and the result was HN should be reachable... Hmmmm, therefore I. Checked with another age and this also timed out on my tablet. So either my ADSL or the server was problematic? I went for dinner and upon return it worked.

The check I used was http://www.blockedinchina.net/ First time I used this site...

www.viewdns.info has a "Chinese Firewall Test" to check if a particular domain is blocked in China.