I have been unable to access a social network site: vk.com, since yesterday evening. At first I thought maybe it's just some virus or hosts problems etc, but I've checked everything and it's fine, and all other sites are working normally. I cannot get access, not from Windows 8.1, nor Ubuntu on the same PC. So it shouldn't be a virus or problem with the OS.
I also tried other browsers too: the same story, doesn't work. But I was able to visit the site with no problem from a Android phone and it uses the same Wi-Fi router. Also, I can access via proxy server by using TOR or some other free services like hide.me
DNS server is working I can define IP address via
$ ping vk.com:
PING vk.com (22.214.171.124) 56(84) bytes of data.
... but no reply.
I live in the UK and according to ping my access IPs via DNS are:
126.96.36.199, 188.8.131.52, 184.108.40.206, 220.127.116.11
but I cannot ping them too, though I can ping other vk.com IPs which are working for other countries, for example some of these: https://db-ip.com/all/87.240.156
So, this cannot be a problem with a virus, browser, OS or connection because I tried using Windows and Ubuntu and it works via proxy. It cannot be a problem with the provider or the router either, because I can access it fine with my phone.
Probably this is something with DNS servers by default, but I added Google DNS 18.104.22.168, 22.214.171.124 with no luck so far. Any ideas?