main page not open

[nnjj.net]

hi

sometimes the main page in vb is not opening
but others are ok

ex.

https://vborg.vbsupport.ru ( I can't see this page)

Support, Template ( I can see and open them)

why is that ???

[filburt1]

Is it a problem specifically with vB.org?

[nnjj.net]

no in my site
this is just an example so you can picture it

[nnjj.net]

hellllllllp :(

[nnjj.net]

no one !!!!

[nnjj.net]

so ?