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Whois API / Whois History / Reverse Whois

Our WHOIS API returns consistent and well-structured WHOIS data in XML & JSON format. Returned data contain parsed WHOIS fields that can be easily understood by your application. Along with WHOIS API, we also offer WHOIS History API and Reverse WHOIS API.

Powered by Amazon Web Services With support for 1575 TLDs, our cloud-based API lets you quickly access any domain's WHOIS data through Bulk Whois Lookup, Newly Registered Domains, Dropped Deleted Domains, Expiring Domains and Whois Database Download.
Our Services Price Order
1000 WHOIS Lookup API Queries $2 Details
1000 WHOIS History API Queries $5 Details
1000 Reverse WHOIS API Queries $10 Details
Newly Registered Domains Database $495 Details
Whois Database [599 Million Domains] $10,000 Details

Keyword: CKSYS

Reverse Whois » KEYWORD [cksys ]  { 40 domain names }


NumDomain NameRegistrarCreatedUpdatedExpiry
1cksys.comNaugus Limited LLC18 Dec 19957 Feb 202517 Dec 2024
2cksys.loanAlibaba Cloud Computing Ltd. d/b/a HiChina (www.ne…20 Feb 201722 Feb 201719 Feb 2018
3cksys.solutionsNameCheap, Inc.20 Feb 20223 Apr 202320 Feb 2023
4cksys.topAlibaba Cloud Computing Ltd. d/b/a HiChina (www.ne…30 Sep 202230 Sep 202230 Sep 2025
5cksys.co.uk-5 Jul 202215 May 20235 Jul 2023
6cksys.netCloudFlare, Inc.21 Aug 202322 Jul 202421 Aug 2025
7cksys.siteNameCheap, Inc.8 Nov 202319 Jan 20258 Nov 2024
8cksys.de--1 Feb 2022-
9cksystemz.comHiChina Zhicheng Technology Limited14 May 201814 May 201814 May 2019
10cksysb.comHiChina Zhicheng Technology Limited18 Dec 20157 Oct 202318 Dec 2026
11cksystem.infoNetwork Solutions, LLC14 Mar 201614 Mar 201614 Mar 2017
12cksystem.comCloudFlare, Inc.2 Apr 199718 Aug 20233 Apr 2025
13cksystemsllc.comLaunchpad, Inc.28 Sep 200529 Sep 202428 Sep 2025
14cksyst.comNameCheap, Inc.2 Feb 20173 Jan 20252 Feb 2026
15cksystems.comCloudFlare, Inc.22 Sep 20063 Sep 202422 Sep 2025
16cksystam.com-16 Aug 201616 Aug 201616 Aug 2017
17cksystems.netParagon Internet Group Ltd t/a Paragon Names27 May 20106 Aug 202427 May 2024
18cksystem.netJapan Registry Services Co., Ltd.21 Sep 19992 Aug 201721 Sep 2018
19cksyst.netBigRock Solutions Ltd.21 Oct 20162 Dec 201721 Oct 2017
20cksystems.pl-20 Nov 201222 Oct 202420 Nov 2025
21cksystem.de--1 Mar 2021-
22cksystems.co.uk-16 Mar 200015 Mar 201616 Mar 2018
23cksysvc.comHiChina Zhicheng Technology Limited19 Mar 201920 Mar 201919 Mar 2020
24cksystems.usGoogle, Inc.22 Mar 201922 Mar 201922 Mar 2020
25cksysadmin.comOVH sas22 Apr 202023 Apr 202022 Apr 2021
26cksyshopping.comNameKing.com Inc.13 Jun 202013 Jun 202013 Jun 2021
27cksysz.comDNSPod, Inc.26 Jan 202126 Jan 202126 Jan 2022
28cksystem.techGoDaddy.com, LLC22 Jun 20213 Aug 202422 Jun 2024
29cksystem.websiteDomain.com, LLC30 Sep 2021-30 Sep 2022
30cksys7x.cfdTrunkoz Technologies Pvt Ltd. d/b/a OwnRegistrar.c…4 Mar 2022-4 Mar 2023
31cksystemtechnik.comCronon AG17 May 202217 Jul 202317 May 2023
32cksysapps.comNameCheap, Inc.1 Feb 20232 Jan 20251 Feb 2026
33cksystem.pl-24 Jan 201713 Jan 202524 Jan 2026
34cksystemproshop.comNameCheap, Inc.14 Jan 201915 Dec 202414 Jan 2026
35cksystema.comHostinger, UAB18 Feb 202130 Apr 202318 Feb 2023
36cksysteme.ovhOVH sas1 Oct 201815 Nov 20241 Oct 2025
37cksystems.co.jp-9 Sep 19991 Oct 2024-
38cksys411.siteChengdu West Dimension Digital Technology Co., Ltd…3 Sep 202420 Sep 20243 Sep 2027
39cksyssb.cn-11 Nov 2024-11 Nov 2025
40cksysy.comXin Net Technology Corporation24 Oct 20241 Nov 202424 Oct 2025

Reverse Whois Demo

Reverse Whois API

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

https://api.whoxy.com/?key=xxxxx&reverse=whois&keyword=cksys

Reverse Whois API lets you perform a comprehensive search on our database, to find domains owned by a company or person.
You just need to enter search terms such as the name, email or company, and you can find all the domains they ever owned.
If your search returns no results, you will NOT be charged any API queries. You are charged only on successful queries.

Sample Output: JSON SchemaXML SchemaJSON Live ResultsXML Live Results

Reverse Whois Pricing Total API Calls Price CPM Purchase
200 Reverse Whois API Queries 200 $2 $10.00 Order Now
1,000 Reverse Whois API Queries 1,000 $10 $10.00 Order Now
10,000 Reverse Whois API Queries 10,000 $100 $10.00 Order Now
50,000 Reverse Whois API Queries 50,000 $400 $8.00 Order Now
250,000 Reverse Whois API Queries 250,000 $1,500 $6.00 Order Now
1 Million Reverse Whois API Queries 1,000,000 $4,000 $4.00 Order Now
5 Million Reverse Whois API Queries 5,000,000 $10,000 $2.00 Order Now