RDAP source
https://rdap.nic.cz
port 43: whois.nic.cz
The domain is active in the registry.
WHOIS source
whois.nic.cz
REG-NAMESHIELD
VINCI ENERGIES SYSTEMES D INFORMATION SASU VINCI ENERGIES SYSTEMES D INFORMATION VINCI ENERGIES SYSTEMES D'INFORMATION
Make a direct request at ICANN.