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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: MARK43

Reverse Whois » KEYWORD [mark43 ]  { 28 domain names }


NumDomain NameRegistrarCreatedUpdatedExpiry
1mark43.comAmazon Registrar, Inc.18 Jun 201314 May 202518 Jun 2026
2mark43.xyzNameCheap, Inc.15 Aug 201527 Sep 201615 Aug 2016
3mark43.orgAmazon Registrar, Inc.21 Mar 201720 Feb 202521 Mar 2026
4mark43.bizGandi SAS21 Mar 201719 Feb 202520 Mar 2026
5mark43.netAmazon Registrar, Inc.21 Mar 201715 Feb 202521 Mar 2026
6mark43.infoGandi SAS21 Mar 201720 Feb 202521 Mar 2026
7mark43.helpGandi SAS25 Oct 20177 Nov 202425 Oct 2025
8mark43.emailGandi SAS25 Oct 201726 Sep 202425 Oct 2025
9mark43.failGandi SAS25 Oct 201726 Sep 202425 Oct 2025
10mark43.co.uk-11 Jul 20137 Jun 202411 Jul 2025
11mark43.devGoogle, Inc.5 Mar 20198 Mar 20255 Mar 2026
12mark43.sucksGandi SAS25 Oct 201726 Sep 202425 Oct 2025
13mark43.usGandi SAS25 Oct 201726 Sep 202425 Oct 2025
14mark43.ioGandi SAS28 Oct 201529 Sep 202428 Oct 2025
15mark43.uk-25 Oct 201721 Sep 202425 Oct 2025
16mark43.foundationTucows Domains Inc.28 Mar 202528 Mar 202528 Mar 2026
17mark43print.comAmazon Registrar, Inc.31 Oct 201727 Sep 202431 Oct 2025
18mark431.com1&1 Internet AG26 May 201826 May 201826 May 2020
19mark43institute.comFastDomain Inc.23 Jan 201923 Jan 201923 Jan 2020
20mark43azgov.netAmazon Registrar, Inc.5 Apr 20192 Mar 20255 Apr 2026
21mark43-fl.comAmazon Registrar, Inc.19 Apr 201915 Mar 202519 Apr 2026
22mark4314.comNameCheap, Inc.7 Dec 2019-7 Dec 2020
23mark432.xyzNameCheap, Inc.28 Nov 202028 Nov 202128 Nov 2022
24mark43pentesting.comAmazon Registrar, Inc.4 Dec 202030 Oct 20244 Dec 2025
25mark43federal.comAmazon Registrar, Inc.14 May 20219 Apr 202514 May 2026
26mark433.comGoDaddy.com, LLC21 Mar 20222 May 202421 Mar 2024
27mark43-staging.uk-22 Mar 202316 Feb 202522 Mar 2026
28mark43institute.orgTucows Domains Inc.23 Jan 201919 Jan 202523 Jan 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=mark43

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