Cannot visit Chinese website

After I have connected SecureLine, the internet browser cannot enter chinese website,
for example:

http://www.skycn.com/
http://www.comsenz.com/
http://www.discuz.net/
http://www.baidu.com/

Is this happen to me only, or everyone?

http://www.downforeveryoneorjustme.com/www.skycn.com
http://www.greatfirewallofchina.org/index.php?siteurl=www.skycn.com
http://www.scmp.com/news/china/policies-politics/article/1922677/china-blocks-vpn-services-let-users-get-round-its-great

Well, the interesting part is.

When I connected SecureLine,

This: http://www.downforeveryoneorjustme.com/www.skycn.com
Says: It’s not just you! http://www.skycn.com looks down from here.

Then after I disconnected SecureLine,
This: http://www.downforeveryoneorjustme.com/www.skycn.com
Says: It’s just you. http://www.skycn.com is up.

If SecureLine is disconnected, all the Chinese websites that I’ve mentioned in 1st post are able to be entered normally.

See the third link.