Identify and add all Windows DNS server versions

[psc4re]

• Identify and add all Windows DNS server versions (BIND.VERSION) in https://github.com/pr4jwal/NSE-scripts/blob/master/cve-2020-1350.nse#L65

• Also add check for fixed versions

[filipecunhaf]

Where I can found the documentation of these vulnerable list?

[psc4re]

I didnt find the documentation for this yet, and sort of didn't explore further after pushing this code.