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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 1576 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 [616 Million Domains] $10,000 Details

Keyword: SYSOPEN

Reverse Whois » KEYWORD [sysopen ]  { 13 domain names }


NumDomain NameRegistrarCreatedUpdatedExpiry
1sysopen.comNicco Ltd.5 Mar 199815 May 20244 Mar 2025
2sysopen.netPDR Ltd. d/b/a PublicDomainRegistry.com10 Nov 202222 Dec 202410 Nov 2024
3sysopen.infoNameCheap, Inc.5 Jan 202118 Mar 20255 Jan 2025
4sysopen.cloudGandi SAS15 Nov 201615 Nov 201715 Nov 2017
5sysopen.xyzOVH sas2 Dec 20161 Feb 20252 Dec 2025
6sysopen.it-16 Sep 20162 Oct 202416 Sep 2025
7sysopen.com.br-18 Mar 199916 Mar 202418 Mar 2028
8sysopendoor.comGoDaddy.com, LLC28 Aug 201928 Aug 201928 Aug 2020
9sysopenf.comGoDaddy.com, LLC6 Jul 20166 Jul 20166 Jul 2017
10sysopendigia.comeNom, Inc.11 Feb 200513 Aug 202411 Feb 2026
11sysopeninvent.comHostinger, UAB6 Jun 202316 Aug 20246 Jun 2024
12sysopengineer.techDOTSERVE INC.27 Jul 20232 Sep 202427 Jul 2024
13sysopentracking.comNamesilo, LLC30 Jun 202430 Jun 202430 Jun 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=sysopen

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