If you don't find any information above, check the original response.

%  (c) 2006-2021 CZ.NIC, z.s.p.o.
% 
% Intended use of supplied data and information
% 
% Data contained in the domain name register, as well as information
% supplied through public information services of CZ.NIC association,
% are appointed only for purposes connected with Internet network
% administration and operation, or for the purpose of legal or other
% similar proceedings, in process as regards a matter connected
% particularly with holding and using a concrete domain name.
% 
% Full text available at:
% http://www.nic.cz/page/306/intended-use-of-supplied-data-and-information/
% 
% See also a search service at http://www.nic.cz/whois/
% 
% 
% Whoisd Server Version: 3.15.0
% Timestamp: Mon Mar 03 19:34:46 2025

domain:       dkm.cz
registrant:   SB:CESKYMOBIL
admin-c:      SB:MISTRAL
admin-c:      WEBG-310413
nsset:        NSS:VODAFONE:1
registrar:    REG-WEBGLOBE
registered:   05.11.1998 01:00:00
changed:      08.02.2023 13:54:10
expire:       20.10.2025

contact:      SB:CESKYMOBIL
org:          Vodafone Czech Republic a.s.
name:         Oldřich Dudek
address:      náměstí Junkových 2
address:      Praha 5
address:      155 00
address:      CZ
registrar:    REG-WEBGLOBE
created:      10.08.2001 22:13:00
changed:      19.06.2023 14:44:38

contact:      SB:MISTRAL
org:          UPC CR, a.s
name:         Vodafone Czech Republic a.s.
address:      Zavisova 5
address:      Praha 4
address:      140 00
address:      CZ
registrar:    REG-WEBGLOBE
created:      10.08.2001 22:13:00
changed:      11.03.2020 09:10:04

contact:      WEBG-310413
org:          Vodafone CZ
name:         Oldřich Dudek
address:      Náměstí Junkových 2
address:      Praha 5
address:      155 00
address:      CZ
registrar:    REG-WEBGLOBE
created:      04.11.2022 13:54:06

nsset:        NSS:VODAFONE:1
nserver:      ns1.vodafone.cz 
nserver:      ns2.vodafone.cz 
tech-c:       SB:CESKYMOBIL
tech-c:       MARKETAHAOVA
registrar:    REG-WEBGLOBE
created:      09.10.2007 14:36:03
changed:      11.12.2024 09:27:55

contact:      MARKETAHAOVA
name:         Markéta Haová
address:      Námestí Junkových 2
address:      Praha 5
address:      155 00
address:      CZ
e-mail:       webadministrator@vodafone.com
registrar:    REG-WEBGLOBE
created:      23.04.2020 10:42:11