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/

%

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

%

%

% Whoisd Server Version: 3.15.0

% Timestamp: Fri Jul 24 03:10:37 2026

domain: cesnet.cz

registrant: SB:CESNET-ZSPO

admin-c: HELMUT_SVERENYAK

admin-c: PV2-RIPE

admin-c: DNSMASTERS-CESNET

nsset: CESNET-ZSPO-1

keyset: AUTO-DKBCR1IXC8VDNKW85PFCL8FPB

registrar: REG-ACTIVE24

registered: 06.10.1996 02:00:00

changed: 12.11.2025 17:43:48

expire: 29.10.2026

contact: SB:CESNET-ZSPO

org: CESNET, z.s.p.o.

name: CESNET, z.s.p.o.

address: Generála Píky 430/26

address: Praha 6

address: 160 00

address: CZ

registrar: REG-ACTIVE24

created: 10.08.2001 22:13:00

changed: 07.06.2023 20:37:11

contact: HELMUT_SVERENYAK

name: Helmut Sverenyák

address: Zikova 4

address: Praha 6

address: 160 00

address: CZ

registrar: REG-ACTIVE24

created: 09.12.2003 09:20:00

changed: 15.05.2018 21:32:00

contact: PV2-RIPE

name: Pavel Vachek

address: Generála Píky 430/26

address: Praha 6

address: 160 00

address: CZ

registrar: REG-ACTIVE24

created: 10.08.2001 22:13:00

changed: 05.06.2023 12:43:30

contact: DNSMASTERS-CESNET

org: CESNET, z.s.p.o.

name: Cesnet Masters

address: Generála Píky 430/26

address: Praha 6

address: 16000

address: CZ

registrar: REG-ACTIVE24

created: 21.08.2023 10:51:32

changed: 21.08.2025 16:24:00

nsset: CESNET-ZSPO-1

nserver: nsa.ces.net

nserver: nsa.cesnet.cz (195.113.144.228, 2001:718:1:101::144:228)

nserver: decsys.vsb.cz (158.196.149.9, 2001:718:1001:149::9)

nserver: nsa.ten.cz (81.95.108.229, 2a00:4b40:1000:126:81:95:108:229)

tech-c: DNSMASTERS-CESNET

tech-c: MENSIKJIRI

registrar: REG-ACTIVE24

created: 09.02.2024 00:45:12

changed: 13.05.2026 13:19:04

contact: MENSIKJIRI

org: CESNET, z.s.p.o.

name: Jiri Mensik

address: Generála Píky 430/26

address: Praha 6

address: 16000

address: CZ

registrar: REG-ACTIVE24

created: 09.02.2024 15:30:23

keyset: AUTO-DKBCR1IXC8VDNKW85PFCL8FPB

dnskey: 257 3 13 art0p8mnTCrEBeVWR/py3ds9KYVkz084kAuT5rY3RcwY0hWaN/GnpcJgkam6BNVyllvnVPiCDoczWRZvHSZJPg==

tech-c: CZNIC-AKM

registrar: REG-CZNIC

created: 06.09.2018 13:10:29

changed: 27.04.2026 22:12:23

contact: CZNIC-AKM

org: CZ.NIC, z.s.p.o.

name: CZ.NIC, z.s.p.o.

address: Milesovska 1136/5

address: Praha 3

address: 13000

address: CZ

registrar: REG-CZNIC

created: 12.08.2024 15:02:38