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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 [649 Million Domains] $10,000 Details

Keyword: QUESTBASE

Reverse Whois » KEYWORD [questbase ]  { 18 domain names }


NumDomain NameRegistrarCreatedUpdatedExpiry
1questbase.comGoDaddy.com, LLC22 Mar 19991 Sep 202222 Mar 2027
2questbase.netNameCheap, Inc.27 Mar 202527 Mar 202527 Mar 2026
3questbase.cloudTucows Domains Inc.16 Feb 201620 May 202416 Feb 2026
4questbase.infoTucows Domains Inc.9 Apr 200811 Aug 2025-
5questbase.orgTucows Domains Inc.9 Apr 20087 Apr 20259 Apr 2026
6questbase.it-26 Feb 20251 Apr 202526 Feb 2026
7questbase.co.uk-16 Jan 20098 Feb 201616 Jan 2018
8questbase.xyzGMO Internet Inc.27 May 202510 Jun 202527 May 2026
9questbase.appGoDaddy.com, LLC6 Jun 202511 Jun 20256 Jun 2026
10questbase.nlThe Registrar Company B.V.4 Mar 202225 Oct 2022-
11questbase.ru-9 Jan 2021-9 Jan 2026
12questbase.de--30 Nov 2022-
13questbase.storeNameCheap, Inc.24 Jun 20251 Jul 202524 Jun 2026
14questbasededucation.comGoDaddy.com, LLC22 Jan 201522 Jan 201522 Jan 2017
15questbasedliving.comeNom, Inc.28 Jun 201323 Jun 201528 Jun 2017
16questbasemail.comGoDaddy.com, LLC24 Feb 201228 Apr 201524 Feb 2018
17questbasedlearning.comGoDaddy.com, LLC21 Jul 200522 Jul 202521 Jul 2026
18questbased.comGoDaddy.com, LLC6 Dec 201116 Sep 20256 Dec 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=questbase

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