% (c) 2006-2021 CZ.NIC, z.s.p.o.
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% Intended use of supplied data and information
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% 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.
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% Full text available at:
% http://www.nic.cz/page/306/intended-use-of-supplied-data-and-information/
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% See also a search service at http://www.nic.cz/whois/
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% Whoisd Server Version: 3.15.0
% Timestamp: Tue Jun 09 23:05:37 2026

domain: o2.cz
registrant: O2WORLDWIDELIMITED
nsset: NS-O2CZ
keyset: KS:O2.CZ
registrar: REG-CT
registered: 11.12.2000 11:31:00
changed: 17.01.2025 12:50:05
expire: 12.12.2027

contact: O2WORLDWIDELIMITED
org: O2 WORLDWIDE LIMITED
name: O2 WORLDWIDE LIMITED
address: C/O Stobbs Building 1000
address: Cambridge (Cambridge Research Park)
address: CB25 9PD
address: GB
e-mail: domeny@iol.cz
registrar: REG-CT
created: 26.01.2023 14:14:27
changed: 20.10.2025 12:19:08

nsset: NS-O2CZ
nserver: dns.iol.cz (194.228.2.61, 2a00:1028:100:102::61)
nserver: ns2.tel.cz (194.228.2.1, 2a00:1028:1:205::2)
tech-c: O2CZ
registrar: REG-CT
created: 17.01.2025 12:10:33
changed: 17.02.2025 16:43:38

contact: O2CZ
name: O2 Czech Republic a.s.
address: Za Brumlovkou 266/2
address: Praha 4
address: 14022
address: CZ
e-mail: domeny@iol.cz
registrar: REG-CT
created: 22.05.2024 16:49:18
changed: 20.10.2025 12:17:51

keyset: KS:O2.CZ
dnskey: 257 3 13 8YzKJKAuMXriBTa20hU+u5exo2+4TZWMVQTO6PTimUczWG2RVYnOkUHD78/8i5tC0V8t99KaQHrwwid8tFVQfQ==
tech-c: O2CZ
registrar: REG-CT
created: 09.01.2012 11:36:59
changed: 22.05.2024 18:04:52