The following internet service providers (ISPs) have announced DNSSEC support along with its rollout today by CZ.NIC in the .cz and 0.2.4.e164.arpa (ENUM) domains and thus providing additional protection to their customers:

• Casablanca
  
• ČD-Telematika
  
• Dial Telecom
  
• GTS Novera
  
• IPEX
  
• Mobilkom (U:fon)
  
• Starnet
  

On this page devoted to the DNSSEC technology you can run a test whether your internet access is protected with DNSSEC. Should the result be negative, the technical support page will provide instructions on how to activate DNSSEC protection.