Blocking by hostname does NOT work correctly x32 v3.8.65951.477

Operating system: Windows XP Pro 32-bit SP3 + online updates
CIS version: 3.8.65951.477
Other security software: Avira Antivir
Firewall security level: Custom Policy Mode
Defense+ security level: Disabled

I wanted to block one website domain through adding it to My Blocked Network Zones. The website was blocked but also some other websites stop being available like or The problem does not exist when I block the mentioned above domain via HOSTS file.

Whois information:

I wanted CIS to block:


but it also blocked: ( (, ( [] []

and some other websites.