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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 1594 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 [646 Million Domains] $10,000 Details

Keyword: CTNSY

Reverse Whois » KEYWORD [ctnsy ]  { 11 domain names }


NumDomain NameRegistrarCreatedUpdatedExpiry
1ctnsy.comNamesilo, LLC19 Aug 202420 Aug 202519 Aug 2026
2ctnsy.ca-1 Mar 20112 Mar 20251 Mar 2034
3ctnsy.clubAlibaba Cloud Computing Ltd. d/b/a HiChina (www.ne…9 Nov 20195 Dec 20199 Nov 2020
4ctnsystems.comLaunchpad, Inc.12 May 202313 May 202512 May 2026
5ctnsystematic.comGoDaddy.com, LLC22 Feb 201622 Feb 201622 Feb 2017
6ctnsyla.topAlpnames Limited3 Aug 20168 Sep 20178 Sep 2017
7ctnsyyxte.bizGMO Internet Inc.14 Jun 201914 Jun 201914 Jun 2020
8ctnsys.netGoogle, Inc.22 Jul 201921 Aug 202422 Jul 2024
9ctnsys.comNameCheap, Inc.15 Feb 202515 Feb 202515 Feb 2026
10ctnsys.topAlibaba Cloud Computing Ltd. d/b/a HiChina (www.ne…20 Apr 202228 May 202320 Apr 2023
11ctnsyhd.infoNameCheap, Inc.5 Feb 2025-5 Feb 2026

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=ctnsy

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