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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 [613 Million Domains] $10,000 Details

Keyword: PROFICIENS

Reverse Whois » KEYWORD [proficiens ]  { 15 domain names }


NumDomain NameRegistrarCreatedUpdatedExpiry
1proficiens.academyCSL Computer Service Langenbach GmbH d/b/a joker.c…6 Oct 201414 Mar 20256 Oct 2025
2proficiens.comenom425, Incorporated28 Apr 202528 Apr 202528 Apr 2026
3proficiens.eu----
4proficiens.netGoDaddy.com, LLC29 Mar 201930 Mar 202529 Mar 2027
5proficiens.com.hr-25 Jan 202322 Feb 202425 Jan 2024
6proficiens.se-12 Jan 199716 Nov 202431 Dec 2025
7proficiensllc.comGoDaddy.com, LLC23 Jun 201324 Jun 201623 Jun 2017
8proficiensinc.com1&1 Internet AG20 Nov 200118 Mar 201820 Nov 2025
9proficiensy.comLiquidNet Ltd.9 May 20183 May 20249 May 2025
10proficiensim.comGoDaddy.com, LLC7 Dec 20197 Dec 20197 Dec 2020
11proficienshop.comGoDaddy.com, LLC15 Apr 202015 Apr 202015 Apr 2021
12proficiense.comGoDaddy.com, LLC26 Jan 202126 Jan 202126 Jan 2022
13proficiensea.comGoDaddy.com, LLC30 Oct 202211 Jan 202530 Oct 2024
14proficienswap.comPDR Ltd. d/b/a PublicDomainRegistry.com8 Feb 20258 Feb 20258 Feb 2026
15proficiensee.comCloudFlare, Inc.16 Feb 202523 Feb 202516 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=proficiens

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