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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 1589 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 [626 Million Domains] $10,000 Details

Keyword: QUANTUMCS

Reverse Whois » KEYWORD [quantumcs ]  { 35 domain names }


NumDomain NameRegistrarCreatedUpdatedExpiry
1quantumcs.comNameCheap, Inc.24 Jan 201125 Dec 202424 Jan 2026
2quantumcs.co.ukOVH sas21 Aug 201624 Jul 201721 Aug 2019
3quantumcs.netGoDaddy.com, LLC24 Feb 20248 May 202524 Feb 2025
4quantumcs.au----
5quantumcs.africaDomain Name Services (Pty) Ltd25 Feb 20225 Oct 202225 Feb 2023
6quantumcs.coWild West Domains, LLC9 Jun 202210 Jun 20259 Jun 2026
7quantumcs.orgNameCheap, Inc.22 Feb 20234 May 202422 Feb 2024
8quantumcs.com.au--19 Mar 2025-
9quantumcs.infoGoDaddy.com, LLC24 Feb 20243 Mar 202524 Feb 2026
10quantumcs.onlineGoDaddy.com, LLC24 Feb 20249 Mar 202524 Feb 2026
11quantumcs.usGoogle, Inc.2 Apr 20257 Apr 20252 Apr 2028
12quantumcsltd.comGoDaddy.com, LLC23 Jul 201523 Jul 201523 Jul 2017
13quantumcsi.comDomain.com, LLC15 Sep 202026 Aug 202415 Sep 2025
14quantumcsc.comGoDaddy.com, LLC28 Jan 200729 Jan 202328 Jan 2026
15quantumcsr.comBeijing Lanhai Jiye Technology Co., Ltd15 Jan 202313 Apr 202515 Jan 2026
16quantumcsl.comDropCatch.com 910 LLC8 Oct 20249 Oct 20248 Oct 2025
17quantumcss.comDropCatch.com 413 LLC8 Jun 20258 Jun 20258 Jun 2026
18quantumcsllc.comGoDaddy.com, LLC29 Jun 202030 Jun 202529 Jun 2026
19quantumcsr.orgGoDaddy.com, LLC13 Dec 200710 May 201713 Dec 2017
20quantumcsl.co.uk-16 Mar 201716 Aug 201716 Mar 2018
21quantumcsg.comDomainPeople, Inc.29 Mar 202414 Mar 202529 Mar 2026
22quantumcsingapore.comGoogle, Inc.22 Sep 202022 Sep 202022 Sep 2021
23quantumcs-inc.comDNSPod, Inc.4 Sep 20234 Nov 20244 Sep 2024
24quantumcs-llc.comGoDaddy.com, LLC9 Jan 202210 Jan 20259 Jan 2026
25quantumcsode.comPDR Ltd. d/b/a PublicDomainRegistry.com25 Apr 20226 Jun 202325 Apr 2023
26quantumcsb.comHosting Concepts B.V. dba Openprovider4 Nov 202214 Nov 20244 Nov 2024
27quantumcss.orgGoogle, Inc.13 Feb 20234 Feb 202513 Feb 2026
28quantumcsi.onlineDomain.com, LLC6 Sep 202320 Oct 20246 Sep 2024
29quantumcsp.comGoDaddy.com, LLC23 Sep 202324 Sep 202423 Sep 2025
30quantumcsrd.comOVH sas22 Dec 202322 Dec 202322 Dec 2024
31quantumcse434.comSquarespace Domains LLC9 May 202424 Apr 20259 May 2026
32quantumcsoport.comCloudFlare, Inc.3 Jul 20243 Jun 20253 Jul 2026
33quantumcsape.com-26 Jul 202426 Jul 202426 Jul 2025
34quantumcsolutions.comWix.com Ltd.9 Sep 202418 Sep 20249 Sep 2025
35quantumcsconsulting.comNordreg AB15 Sep 202415 Sep 202415 Sep 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=quantumcs

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