Here is an article that you may find helpful, Troubleshooting Browsing Issues on Specific Webpages.
Let us know how it will go.
Why is TPG blocking vk.com?
I can't access it as well.
The vk.com website is blocked by TPG at DNS level and TPG is refusing to unblock it.
VK.com is accessible through other ISP's such as Optus, Vodafone and Telstra so you can transfer your internet services to them.
Another option is to use VK.com app on Android or Apple iOS devices.
Perhaps you can also try VPN (not tested). Hope this helps.
go to your modem/router page, set DNS server under lan settings in advanced to 188.8.131.52 and 184.108.40.206
(cloudflare and google)
and all you dns based blocking issues should go away
not just vk, but others as well that I cannot mention here which I can access perfectly fine