You can contact us at certs@cesnet.cz.
Postal address:
CESNET-CERTS CESNET, z. s. p. o. Zikova 4 160 00 Prague 6 Czech Republic Phone: +420 234 680 222
CESNET, z. s. p. o.
Zikova 4, 16000 Prague 6
Tel: +420 234 680 222
Fax: +420 224 320 269
info@cesnet.cz
Tel: +420 234 680 222
GSM: +420 602 252 531
Fax: +420 224 313 211
support@cesnet.cz