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Domain: PHONEBOOK.CZ (2,523 similar domains)
Registrar: REG-ASCIO
Query Time: 12 Sep 2025 - 1:20 PM UTC  [5 HRS BACK] [REFRESH]


Registered: 22nd April 2020  [5 years, 4 months, 21 days back]
Updated: 25th November 2022  [2 years, 9 months, 18 days back]
Expiry: 22nd April 2026  [7 months, 9 days left]


NAME SERVERS

ns11.constellix.com
ns21.constellix.com
ns31.constellix.com
ns41.constellix.net
ns51.constellix.net
ns61.constellix.net


REGISTRANT CONTACT

Name: Authorized Representative (5,782 domains)
Company: Kleissner Investments s.r.o. (5 domains)
Address: Na strzi 1702/65, Praha, 14000
Country: Czech Republic (1.46 million domains from Czech Republic for $500)


ADMINISTRATIVE CONTACT

Name: Authorized Representative (5,782 domains)
Company: Kleissner Investments s.r.o. (5 domains)
Address: Na strzi 1702/65, Praha, 14000
Country: Czech Republic (1.46 million domains from Czech Republic for $500)


TECHNICAL CONTACT

Name: Authorized Representative (5,782 domains)
Company: Kleissner Investments s.r.o. (5 domains)
Address: Na strzi 1702/65, Praha, 14000
Country: Czech Republic (1.46 million domains from Czech Republic for $500)


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--------------------------------------------------
Generator: x1.autowhois.com
Registry WHOIS: whois.nic.cz
Query Time: Fri, 12 Sep 2025 13:20:54 +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: Fri Sep 12 15:20:54 2025

domain:       phonebook.cz
registrant:   AT3622455377973
admin-c:      CONTACT-20200422-97935
nsset:        NSSIDAT-4070764417471
registrar:    REG-ASCIO
registered:   22.04.2020 12:45:22
changed:      25.11.2022 13:47:22
expire:       22.04.2026

contact:      AT3622455377973
org:          Kleissner Investments s.r.o.
name:         Authorized Representative
address:      Na strzi 1702/65
address:      Praha
address:      14000
address:      CZ
registrar:    REG-ASCIO
created:      24.06.2021 17:45:40
changed:      28.11.2022 10:21:15

contact:      CONTACT-20200422-97935
org:          Kleissner Investments s.r.o.
name:         Authorized Representative
address:      Na strzi 1702/65
address:      Praha
address:      14000
address:      CZ
registrar:    REG-ZONER
created:      22.04.2020 12:45:18

nsset:        NSSIDAT-4070764417471
nserver:      ns11.constellix.com 
nserver:      ns21.constellix.com 
nserver:      ns31.constellix.com 
nserver:      ns41.constellix.net 
nserver:      ns51.constellix.net 
nserver:      ns61.constellix.net 
tech-c:       AT3622455377973
registrar:    REG-ASCIO
created:      25.11.2022 13:47:21
changed:      11.12.2024 14:44:12
{
    "status": 1,
    "domain_name": "phonebook.cz",
    "query_time": "2025-09-12 13:20:54",
    "domain_registered": "yes",
    "create_date": "2020-04-22",
    "update_date": "2022-11-25",
    "expiry_date": "2026-04-22",
    "domain_registrar": {
        "registrar_name": "REG-ASCIO"
    },
    "registrant_contact": {
        "full_name": "Authorized Representative",
        "company_name": "Kleissner Investments s.r.o.",
        "mailing_address": "Na strzi 1702/65, Praha, 14000",
        "country_name": "Czech Republic",
        "country_code": "CZ"
    },
    "administrative_contact": {
        "full_name": "Authorized Representative",
        "company_name": "Kleissner Investments s.r.o.",
        "mailing_address": "Na strzi 1702/65, Praha, 14000",
        "country_name": "Czech Republic",
        "country_code": "CZ"
    },
    "technical_contact": {
        "full_name": "Authorized Representative",
        "company_name": "Kleissner Investments s.r.o.",
        "mailing_address": "Na strzi 1702/65, Praha, 14000",
        "country_name": "Czech Republic",
        "country_code": "CZ"
    },
    "name_servers": [
        "ns11.constellix.com",
        "ns21.constellix.com",
        "ns31.constellix.com",
        "ns41.constellix.net",
        "ns51.constellix.net",
        "ns61.constellix.net"
    ],
    "raw_whois": "--------------------------------------------------\nGenerator: x1.autowhois.com\nRegistry WHOIS: whois.nic.cz\nQuery Time: Fri, 12 Sep 2025 13:20:54 +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: Fri Sep 12 15:20:54 2025\r\n\r\ndomain:       phonebook.cz\r\nregistrant:   AT3622455377973\r\nadmin-c:      CONTACT-20200422-97935\r\nnsset:        NSSIDAT-4070764417471\r\nregistrar:    REG-ASCIO\r\nregistered:   22.04.2020 12:45:22\r\nchanged:      25.11.2022 13:47:22\r\nexpire:       22.04.2026\r\n\r\ncontact:      AT3622455377973\r\norg:          Kleissner Investments s.r.o.\r\nname:         Authorized Representative\r\naddress:      Na strzi 1702/65\r\naddress:      Praha\r\naddress:      14000\r\naddress:      CZ\r\nregistrar:    REG-ASCIO\r\ncreated:      24.06.2021 17:45:40\r\nchanged:      28.11.2022 10:21:15\r\n\r\ncontact:      CONTACT-20200422-97935\r\norg:          Kleissner Investments s.r.o.\r\nname:         Authorized Representative\r\naddress:      Na strzi 1702/65\r\naddress:      Praha\r\naddress:      14000\r\naddress:      CZ\r\nregistrar:    REG-ZONER\r\ncreated:      22.04.2020 12:45:18\r\n\r\nnsset:        NSSIDAT-4070764417471\r\nnserver:      ns11.constellix.com \r\nnserver:      ns21.constellix.com \r\nnserver:      ns31.constellix.com \r\nnserver:      ns41.constellix.net \r\nnserver:      ns51.constellix.net \r\nnserver:      ns61.constellix.net \r\ntech-c:       AT3622455377973\r\nregistrar:    REG-ASCIO\r\ncreated:      25.11.2022 13:47:21\r\nchanged:      11.12.2024 14:44:12"
}
<?xml version="1.0" encoding="UTF-8"?>
<root>
 <status>1</status>
 <domain_name>phonebook.cz</domain_name>
 <query_time>2025-09-12 13:20:54</query_time>
 <domain_registered>yes</domain_registered>
 <create_date>2020-04-22</create_date>
 <update_date>2022-11-25</update_date>
 <expiry_date>2026-04-22</expiry_date>
 <domain_registrar>
  <registrar_name>REG-ASCIO</registrar_name>
 </domain_registrar>
 <registrant_contact>
  <full_name>Authorized Representative</full_name>
  <company_name>Kleissner Investments s.r.o.</company_name>
  <mailing_address>Na strzi 1702/65, Praha, 14000</mailing_address>
  <country_name>Czech Republic</country_name>
  <country_code>CZ</country_code>
 </registrant_contact>
 <administrative_contact>
  <full_name>Authorized Representative</full_name>
  <company_name>Kleissner Investments s.r.o.</company_name>
  <mailing_address>Na strzi 1702/65, Praha, 14000</mailing_address>
  <country_name>Czech Republic</country_name>
  <country_code>CZ</country_code>
 </administrative_contact>
 <technical_contact>
  <full_name>Authorized Representative</full_name>
  <company_name>Kleissner Investments s.r.o.</company_name>
  <mailing_address>Na strzi 1702/65, Praha, 14000</mailing_address>
  <country_name>Czech Republic</country_name>
  <country_code>CZ</country_code>
 </technical_contact>
 <name_servers>
  <value>ns11.constellix.com</value>
  <value>ns21.constellix.com</value>
  <value>ns31.constellix.com</value>
  <value>ns41.constellix.net</value>
  <value>ns51.constellix.net</value>
  <value>ns61.constellix.net</value>
 </name_servers>
 <raw_whois>--------------------------------------------------
Generator: x1.autowhois.com
Registry WHOIS: whois.nic.cz
Query Time: Fri, 12 Sep 2025 13:20:54 +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: Fri Sep 12 15:20:54 2025&#13;
&#13;
domain:       phonebook.cz&#13;
registrant:   AT3622455377973&#13;
admin-c:      CONTACT-20200422-97935&#13;
nsset:        NSSIDAT-4070764417471&#13;
registrar:    REG-ASCIO&#13;
registered:   22.04.2020 12:45:22&#13;
changed:      25.11.2022 13:47:22&#13;
expire:       22.04.2026&#13;
&#13;
contact:      AT3622455377973&#13;
org:          Kleissner Investments s.r.o.&#13;
name:         Authorized Representative&#13;
address:      Na strzi 1702/65&#13;
address:      Praha&#13;
address:      14000&#13;
address:      CZ&#13;
registrar:    REG-ASCIO&#13;
created:      24.06.2021 17:45:40&#13;
changed:      28.11.2022 10:21:15&#13;
&#13;
contact:      CONTACT-20200422-97935&#13;
org:          Kleissner Investments s.r.o.&#13;
name:         Authorized Representative&#13;
address:      Na strzi 1702/65&#13;
address:      Praha&#13;
address:      14000&#13;
address:      CZ&#13;
registrar:    REG-ZONER&#13;
created:      22.04.2020 12:45:18&#13;
&#13;
nsset:        NSSIDAT-4070764417471&#13;
nserver:      ns11.constellix.com &#13;
nserver:      ns21.constellix.com &#13;
nserver:      ns31.constellix.com &#13;
nserver:      ns41.constellix.net &#13;
nserver:      ns51.constellix.net &#13;
nserver:      ns61.constellix.net &#13;
tech-c:       AT3622455377973&#13;
registrar:    REG-ASCIO&#13;
created:      25.11.2022 13:47:21&#13;
changed:      11.12.2024 14:44:12</raw_whois>
</root>

Whois API Demo

Whois Lookup API

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

https://api.whoxy.com/?key=xxxxx&whois=phonebook.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 SchemaXML SchemaJSON Live ResultsXML Live Results

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Who owned phonebook.cz in the past? (1 record)

9 APR 2025

Name: Authorized Representative (5,782 domains)
Company: Kleissner Investments s.r.o. (5 domains)
Country: Czech Republic (1.46 million domains from Czech Republic for $500)
Nameservers: ns11.constellix.com, ns21.constellix.com, ns31.constellix.com, ns41.constellix.net

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