iP or domain name lookup

[Querying whois.nic.cz]

[whois.nic.cz]

% (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/

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% See also a search service at http://www.nic.cz/whois/

%

%

% Whoisd Server Version: 3.15.0

% Timestamp: Fri Mar 20 00:08:14 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