Contact

You can contact us at certs@cesnet.cz.

Postal address: 

CESNET-CERTS
CESNET, z. s. p. o.
Generála Píky 430/26
160 00 Prague 6
Czech Republic

For urgent matters requiring immediate attention, you may call the CESNET permanent service desk at any time – these numbers are monitored 24/7:

  • Landline: +420 234 680 222
  • Mobile phone: +420 602 252 531

See more at CESNET contacts.