Check Point QUANTUM SPARK 1535 - Appliance Name

Appliance Name
Quantum Spark 1535 / 1555 Appliance Getting Started Guide|26
Appliance Name
In the Appliance Name page, enter a name to identify the appliance, and enter a domain name (optional).
When the gateway performs DNS resolving for a specified object’s name, the domain name is appended to
the object name. This lets hosts in the network look up hosts by their internal names.