Domain: CO.CZ
Registrar: REG-GRANSY
Query Time: 16 Mar 2026 - 11:19 AM UTC [2 HRS BACK] [REFRESH]
Registered: 26th March 2002 [23 years, 11 months, 18 days back]
Updated: 21st March 2022 [3 years, 11 months, 23 days back]
Expiry: 25th March 2031 [5 years, 8 days left]
NAME SERVERS
ns1.anycastdns.cz
ns2.anycastdns.cz
REGISTRANT CONTACT
Name: Martin Semrad (10 domains)
Company: .CO.CZ s.r.o.
Address: Nad vypusti 142, Praha 4, 149 00
Country: Czech Republic (1.58 million domains from Czech Republic for $500)
TECHNICAL CONTACT
Name: Martin Semrad (10 domains)
Company: .CO.CZ s.r.o.
Address: Nad vypusti 142, Praha 4, 149 00
Country: Czech Republic (1.58 million domains from Czech Republic for $500)
SHARE THIS PAGE
Short URL: whoxy.com/co.cz
Permalink: https://www.whoxy.com/co.cz
--------------------------------------------------
Generator: x3.autowhois.com
Registry WHOIS: whois.nic.cz
Query Time: Mon, 16 Mar 2026 11:19:56 +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: Mon Mar 16 12:19:56 2026
domain: co.cz
registrant: COCZ
nsset: COCZ
registrar: REG-GRANSY
registered: 26.03.2002 12:59:00
changed: 21.03.2022 17:06:04
expire: 25.03.2031
contact: COCZ
org: .CO.CZ s.r.o.
name: Martin Semrad
address: Nad vypusti 142
address: Praha 4
address: 149 00
address: CZ
registrar: REG-GRANSY
created: 21.03.2022 16:48:15
nsset: COCZ
nserver: ns1.anycastdns.cz
nserver: ns2.anycastdns.cz
tech-c: SUB-1282566
registrar: REG-GRANSY
created: 21.03.2022 17:02:12
changed: 11.12.2024 13:14:26
contact: SUB-1282566
org: .CO.CZ s.r.o.
name: Martin Semrad
address: Nad vypusti 142
address: Praha 4
address: 149 00
address: CZ
registrar: REG-GRANSY
created: 21.03.2022 16:54:03{
"status": 1,
"domain_name": "co.cz",
"query_time": "2026-03-16 11:19:56",
"domain_registered": "yes",
"create_date": "2002-03-26",
"update_date": "2022-03-21",
"expiry_date": "2031-03-25",
"domain_registrar": {
"registrar_name": "REG-GRANSY"
},
"registrant_contact": {
"full_name": "Martin Semrad",
"company_name": ".CO.CZ s.r.o.",
"mailing_address": "Nad vypusti 142, Praha 4, 149 00",
"country_name": "Czech Republic",
"country_code": "CZ"
},
"technical_contact": {
"full_name": "Martin Semrad",
"company_name": ".CO.CZ s.r.o.",
"mailing_address": "Nad vypusti 142, Praha 4, 149 00",
"country_name": "Czech Republic",
"country_code": "CZ"
},
"name_servers": [
"ns1.anycastdns.cz",
"ns2.anycastdns.cz"
],
"raw_whois": "--------------------------------------------------\nGenerator: x3.autowhois.com\nRegistry WHOIS: whois.nic.cz\nQuery Time: Mon, 16 Mar 2026 11:19:56 +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: Mon Mar 16 12:19:56 2026\r\n\r\ndomain: co.cz\r\nregistrant: COCZ\r\nnsset: COCZ\r\nregistrar: REG-GRANSY\r\nregistered: 26.03.2002 12:59:00\r\nchanged: 21.03.2022 17:06:04\r\nexpire: 25.03.2031\r\n\r\ncontact: COCZ\r\norg: .CO.CZ s.r.o.\r\nname: Martin Semrad\r\naddress: Nad vypusti 142\r\naddress: Praha 4\r\naddress: 149 00\r\naddress: CZ\r\nregistrar: REG-GRANSY\r\ncreated: 21.03.2022 16:48:15\r\n\r\nnsset: COCZ\r\nnserver: ns1.anycastdns.cz \r\nnserver: ns2.anycastdns.cz \r\ntech-c: SUB-1282566\r\nregistrar: REG-GRANSY\r\ncreated: 21.03.2022 17:02:12\r\nchanged: 11.12.2024 13:14:26\r\n\r\ncontact: SUB-1282566\r\norg: .CO.CZ s.r.o.\r\nname: Martin Semrad\r\naddress: Nad vypusti 142\r\naddress: Praha 4\r\naddress: 149 00\r\naddress: CZ\r\nregistrar: REG-GRANSY\r\ncreated: 21.03.2022 16:54:03"
}<?xml version="1.0" encoding="UTF-8"?>
<root>
<status>1</status>
<domain_name>co.cz</domain_name>
<query_time>2026-03-16 11:19:56</query_time>
<domain_registered>yes</domain_registered>
<create_date>2002-03-26</create_date>
<update_date>2022-03-21</update_date>
<expiry_date>2031-03-25</expiry_date>
<domain_registrar>
<registrar_name>REG-GRANSY</registrar_name>
</domain_registrar>
<registrant_contact>
<full_name>Martin Semrad</full_name>
<company_name>.CO.CZ s.r.o.</company_name>
<mailing_address>Nad vypusti 142, Praha 4, 149 00</mailing_address>
<country_name>Czech Republic</country_name>
<country_code>CZ</country_code>
</registrant_contact>
<technical_contact>
<full_name>Martin Semrad</full_name>
<company_name>.CO.CZ s.r.o.</company_name>
<mailing_address>Nad vypusti 142, Praha 4, 149 00</mailing_address>
<country_name>Czech Republic</country_name>
<country_code>CZ</country_code>
</technical_contact>
<name_servers>
<value>ns1.anycastdns.cz</value>
<value>ns2.anycastdns.cz</value>
</name_servers>
<raw_whois>--------------------------------------------------
Generator: x3.autowhois.com
Registry WHOIS: whois.nic.cz
Query Time: Mon, 16 Mar 2026 11:19:56 +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: Mon Mar 16 12:19:56 2026
domain: co.cz
registrant: COCZ
nsset: COCZ
registrar: REG-GRANSY
registered: 26.03.2002 12:59:00
changed: 21.03.2022 17:06:04
expire: 25.03.2031
contact: COCZ
org: .CO.CZ s.r.o.
name: Martin Semrad
address: Nad vypusti 142
address: Praha 4
address: 149 00
address: CZ
registrar: REG-GRANSY
created: 21.03.2022 16:48:15
nsset: COCZ
nserver: ns1.anycastdns.cz
nserver: ns2.anycastdns.cz
tech-c: SUB-1282566
registrar: REG-GRANSY
created: 21.03.2022 17:02:12
changed: 11.12.2024 13:14:26
contact: SUB-1282566
org: .CO.CZ s.r.o.
name: Martin Semrad
address: Nad vypusti 142
address: Praha 4
address: 149 00
address: CZ
registrar: REG-GRANSY
created: 21.03.2022 16:54:03</raw_whois>
</root>
Whois Lookup API
You can fetch the above results using our Whois Lookup API.
https://api.whoxy.com/?key=xxxxx&whois=co.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
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Who owned co.cz in the past? (2 records)
Name: Martin Semrad (10 domains)
Company: i-registry s.r.o. (3 domains)
Country: Czech Republic (1.58 million domains from Czech Republic for $500)
Nameservers: ns.i-registry.net, ns1.i-registry.cz
Name: Martin Semrad (10 domains)
Company: .CO.CZ s.r.o. UPDATED
Country: Czech Republic (1.58 million domains from Czech Republic for $500)
Nameservers: ns1.anycastdns.cz, ns2.anycastdns.cz UPDATED
Whois History API returns all the historical WHOIS records of a domain name. For more details, please visit https://www.whoxy.com/whois-history/