Our database now contains whois records of 622 Million (622,955,632) domain names.
Login / Password / Signup

Domain: O2.CZ
Registrar: REG-CT
Query Time: 21 Jun 2025 - 7:01 PM UTC  [5 HRS BACK] [REFRESH]

Registered: 11th December 2000  [24 years, 6 months, 10 days back]
Updated: 17th January 2025  [5 months, 4 days back]
Expiry: 12th December 2025  [5 months, 20 days left]

NAME SERVERS

dns.iol.cz
ns2.tel.cz

REGISTRANT CONTACT

Name: O2 WORLDWIDE LIMITED (212 domains)
Company: O2 WORLDWIDE LIMITED (2,048 domains)
Address: C/O Stobbs Building 1000, Cambridge (Cambridge Research Park), CB25 9PD
Country: United Kingdom (27.2 million domains from United Kingdom for $1,000)

TECHNICAL CONTACT

Name: O2 Czech Republic a.s. (92 domains)
Address: Za Brumlovkou 266/2, Praha 4, 14022, Za Brumlovkou 266/2, Praha 4, 14022
Country: Czech Republic (1.31 million domains from Czech Republic for $500)

SHARE THIS PAGE

Short URL: whoxy.com/o2.cz
Permalink: https://www.whoxy.com/o2.cz

Facebook Twitter Google+ LinkedIn Email

--------------------------------------------------
Generator: x3.autowhois.com
Registry WHOIS: whois.nic.cz
Query Time: Sat, 21 Jun 2025 19:01:43 +0000
--------------------------------------------------

%  (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: Sat Jun 21 21:01:43 2025

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:       12.12.2025

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:       [email protected]
registrar:    REG-CT
created:      26.01.2023 14:14:27
changed:      15.11.2023 09:01:59

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:       [email protected]
registrar:    REG-CT
created:      22.05.2024 16:49:18
changed:      18.12.2024 06:52:57

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
{
    "status": 1,
    "domain_name": "o2.cz",
    "query_time": "2025-06-21 19:01:43",
    "domain_registered": "yes",
    "create_date": "2000-12-11",
    "update_date": "2025-01-17",
    "expiry_date": "2025-12-12",
    "domain_registrar": {
        "registrar_name": "REG-CT"
    },
    "registrant_contact": {
        "full_name": "O2 WORLDWIDE LIMITED",
        "company_name": "O2 WORLDWIDE LIMITED",
        "mailing_address": "C/O Stobbs Building 1000, Cambridge (Cambridge Research Park), CB25 9PD",
        "country_name": "United Kingdom",
        "country_code": "GB"
    },
    "technical_contact": {
        "full_name": "O2 Czech Republic a.s.",
        "mailing_address": "Za Brumlovkou 266/2, Praha 4, 14022, Za Brumlovkou 266/2, Praha 4, 14022",
        "country_name": "Czech Republic",
        "country_code": "CZ"
    },
    "name_servers": [
        "dns.iol.cz",
        "ns2.tel.cz"
    ],
    "raw_whois": "--------------------------------------------------\nGenerator: x3.autowhois.com\nRegistry WHOIS: whois.nic.cz\nQuery Time: Sat, 21 Jun 2025 19:01:43 +0000\n--------------------------------------------------\n\n%  (c) 2006-2021 CZ.NIC, z.s.p.o.\r\n% \r\n% Intended use of supplied data and information\r\n% \r\n% Data contained in the domain name register, as well as information\r\n% supplied through public information services of CZ.NIC association,\r\n% are appointed only for purposes connected with Internet network\r\n% administration and operation, or for the purpose of legal or other\r\n% similar proceedings, in process as regards a matter connected\r\n% particularly with holding and using a concrete domain name.\r\n% \r\n% Full text available at:\r\n% http://www.nic.cz/page/306/intended-use-of-supplied-data-and-information/\r\n% \r\n% See also a search service at http://www.nic.cz/whois/\r\n% \r\n% \r\n% Whoisd Server Version: 3.15.0\r\n% Timestamp: Sat Jun 21 21:01:43 2025\r\n\r\ndomain:       o2.cz\r\nregistrant:   O2WORLDWIDELIMITED\r\nnsset:        NS-O2CZ\r\nkeyset:       KS:O2.CZ\r\nregistrar:    REG-CT\r\nregistered:   11.12.2000 11:31:00\r\nchanged:      17.01.2025 12:50:05\r\nexpire:       12.12.2025\r\n\r\ncontact:      O2WORLDWIDELIMITED\r\norg:          O2 WORLDWIDE LIMITED\r\nname:         O2 WORLDWIDE LIMITED\r\naddress:      C/O Stobbs Building 1000\r\naddress:      Cambridge (Cambridge Research Park)\r\naddress:      CB25 9PD\r\naddress:      GB\r\ne-mail:       [email protected]\r\nregistrar:    REG-CT\r\ncreated:      26.01.2023 14:14:27\r\nchanged:      15.11.2023 09:01:59\r\n\r\nnsset:        NS-O2CZ\r\nnserver:      dns.iol.cz (194.228.2.61, 2a00:1028:100:102::61)\r\nnserver:      ns2.tel.cz (194.228.2.1, 2a00:1028:1:205::2)\r\ntech-c:       O2CZ\r\nregistrar:    REG-CT\r\ncreated:      17.01.2025 12:10:33\r\nchanged:      17.02.2025 16:43:38\r\n\r\ncontact:      O2CZ\r\nname:         O2 Czech Republic a.s.\r\naddress:      Za Brumlovkou 266/2\r\naddress:      Praha 4\r\naddress:      14022\r\naddress:      CZ\r\ne-mail:       [email protected]\r\nregistrar:    REG-CT\r\ncreated:      22.05.2024 16:49:18\r\nchanged:      18.12.2024 06:52:57\r\n\r\nkeyset:       KS:O2.CZ\r\ndnskey:       257 3 13 8YzKJKAuMXriBTa20hU+u5exo2+4TZWMVQTO6PTimUczWG2RVYnOkUHD78/8i5tC0V8t99KaQHrwwid8tFVQfQ==\r\ntech-c:       O2CZ\r\nregistrar:    REG-CT\r\ncreated:      09.01.2012 11:36:59\r\nchanged:      22.05.2024 18:04:52"
}
<?xml version="1.0" encoding="UTF-8"?>
<root>
 <status>1</status>
 <domain_name>o2.cz</domain_name>
 <query_time>2025-06-21 19:01:43</query_time>
 <domain_registered>yes</domain_registered>
 <create_date>2000-12-11</create_date>
 <update_date>2025-01-17</update_date>
 <expiry_date>2025-12-12</expiry_date>
 <domain_registrar>
  <registrar_name>REG-CT</registrar_name>
 </domain_registrar>
 <registrant_contact>
  <full_name>O2 WORLDWIDE LIMITED</full_name>
  <company_name>O2 WORLDWIDE LIMITED</company_name>
  <mailing_address>C/O Stobbs Building 1000, Cambridge (Cambridge Research Park), CB25 9PD</mailing_address>
  <country_name>United Kingdom</country_name>
  <country_code>GB</country_code>
 </registrant_contact>
 <technical_contact>
  <full_name>O2 Czech Republic a.s.</full_name>
  <mailing_address>Za Brumlovkou 266/2, Praha 4, 14022, Za Brumlovkou 266/2, Praha 4, 14022</mailing_address>
  <country_name>Czech Republic</country_name>
  <country_code>CZ</country_code>
 </technical_contact>
 <name_servers>
  <value>dns.iol.cz</value>
  <value>ns2.tel.cz</value>
 </name_servers>
 <raw_whois>--------------------------------------------------
Generator: x3.autowhois.com
Registry WHOIS: whois.nic.cz
Query Time: Sat, 21 Jun 2025 19:01:43 +0000
--------------------------------------------------

%  (c) 2006-2021 CZ.NIC, z.s.p.o.&#13;
% &#13;
% Intended use of supplied data and information&#13;
% &#13;
% Data contained in the domain name register, as well as information&#13;
% supplied through public information services of CZ.NIC association,&#13;
% are appointed only for purposes connected with Internet network&#13;
% administration and operation, or for the purpose of legal or other&#13;
% similar proceedings, in process as regards a matter connected&#13;
% particularly with holding and using a concrete domain name.&#13;
% &#13;
% Full text available at:&#13;
% http://www.nic.cz/page/306/intended-use-of-supplied-data-and-information/&#13;
% &#13;
% See also a search service at http://www.nic.cz/whois/&#13;
% &#13;
% &#13;
% Whoisd Server Version: 3.15.0&#13;
% Timestamp: Sat Jun 21 21:01:43 2025&#13;
&#13;
domain:       o2.cz&#13;
registrant:   O2WORLDWIDELIMITED&#13;
nsset:        NS-O2CZ&#13;
keyset:       KS:O2.CZ&#13;
registrar:    REG-CT&#13;
registered:   11.12.2000 11:31:00&#13;
changed:      17.01.2025 12:50:05&#13;
expire:       12.12.2025&#13;
&#13;
contact:      O2WORLDWIDELIMITED&#13;
org:          O2 WORLDWIDE LIMITED&#13;
name:         O2 WORLDWIDE LIMITED&#13;
address:      C/O Stobbs Building 1000&#13;
address:      Cambridge (Cambridge Research Park)&#13;
address:      CB25 9PD&#13;
address:      GB&#13;
e-mail:       [email protected]&#13;
registrar:    REG-CT&#13;
created:      26.01.2023 14:14:27&#13;
changed:      15.11.2023 09:01:59&#13;
&#13;
nsset:        NS-O2CZ&#13;
nserver:      dns.iol.cz (194.228.2.61, 2a00:1028:100:102::61)&#13;
nserver:      ns2.tel.cz (194.228.2.1, 2a00:1028:1:205::2)&#13;
tech-c:       O2CZ&#13;
registrar:    REG-CT&#13;
created:      17.01.2025 12:10:33&#13;
changed:      17.02.2025 16:43:38&#13;
&#13;
contact:      O2CZ&#13;
name:         O2 Czech Republic a.s.&#13;
address:      Za Brumlovkou 266/2&#13;
address:      Praha 4&#13;
address:      14022&#13;
address:      CZ&#13;
e-mail:       [email protected]&#13;
registrar:    REG-CT&#13;
created:      22.05.2024 16:49:18&#13;
changed:      18.12.2024 06:52:57&#13;
&#13;
keyset:       KS:O2.CZ&#13;
dnskey:       257 3 13 8YzKJKAuMXriBTa20hU+u5exo2+4TZWMVQTO6PTimUczWG2RVYnOkUHD78/8i5tC0V8t99KaQHrwwid8tFVQfQ==&#13;
tech-c:       O2CZ&#13;
registrar:    REG-CT&#13;
created:      09.01.2012 11:36:59&#13;
changed:      22.05.2024 18:04:52</raw_whois>
</root>
REVERSE WHOIS

O2 WORLDWIDE LIMITED is linked with 212 domain names:

View all Related Domain Names

WHOIS HISTORY
  • 22 June 2015  [1 Whois Record]
  • 6 May 2016  [1 Whois Record]
  • 12 May 2017  [1 Whois Record]
  • 6 May 2024  [1 Whois Record]

View all Historical Whois Records

RECENT WHOIS LOOKUP

View all Recent Whois Lookups

Whois API Demo

Whois Lookup API

You can fetch the above results using our Whois Lookup API.

https://api.whoxy.com/?key=xxxxx&whois=o2.cz

Whois API digs into WHOIS registry referral chains until the correct WHOIS servers are found, for the most complete WHOIS data.
Our WHOIS parser converts WHOIS data into well-structured fields (XML & JSON), which can easily be read by your application.
Whois API supports a total of 2026 Domain Extensions (gTLDs, ccTLDs & new gTLDs), ensuring all domains are supported.

Sample Output: JSON Schema • XML Schema • JSON Live Results • XML Live Results

Whois Lookup Pricing Total API Calls Price CPM Purchase
1,000 Whois Lookup API Queries 1,000 $2 $2.00 Order Now
10,000 Whois Lookup API Queries 10,000 $20 $2.00 Order Now
50,000 Whois Lookup API Queries 50,000 $75 $1.50 Order Now
250,000 Whois Lookup API Queries 250,000 $300 $1.20 Order Now
1 Million Whois Lookup API Queries 1,000,000 $1,000 $1.00 Order Now
10 Million Whois Lookup API Queries 10,000,000 $5,000 $0.50 Order Now
25 Million Whois Lookup API Queries 25,000,000 $10,000 $0.40 Order Now

Who owned o2.cz in the past? (4 records)

22 JUN 2015

Name: O2 Holdings Limited (848 domains)
Company: O2 Holdings Limited (2 domains)
Email: [email protected] (5 domains)
Country: United Kingdom (27.2 million domains from United Kingdom for $1,000)
Nameservers: dns.iol.cz, ns2.tel.cz
Status: paid and in zone

6 MAY 2016

Name: O2 Holdings Limited (848 domains)
Company: O2 Holdings Limited (2 domains)
Email: [email protected] (5 domains)
Country: United Kingdom (27.2 million domains from United Kingdom for $1,000)
Nameservers: dns.iol.cz, ns2.tel.cz

12 MAY 2017

Name: O2 Holdings Limited (848 domains)
Email: [email protected] (5 domains)
Nameservers: dns.iol.cz, ns2.tel.cz

6 MAY 2024

Name: O2 WORLDWIDE LIMITED (212 domains)  UPDATED
Company: O2 WORLDWIDE LIMITED (2,048 domains)  UPDATED
Country: United Kingdom (27.2 million domains from United Kingdom for $1,000)
Nameservers: dns.iol.cz, ns2.tel.cz

Whois History API returns all the historical WHOIS records of a domain name. For more details, please visit https://www.whoxy.com/whois-history/