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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: CERTIFICATEONLINE

Reverse Whois » KEYWORD [certificateonline ]  { 24 domain names }


NumDomain NameRegistrarCreatedUpdatedExpiry
1certificateonline.comeNom, Inc.3 Apr 20024 Apr 20253 Apr 2025
2certificateonline.netGoDaddy.com, LLC18 Aug 201025 Jan 202418 Aug 2025
3certificateonline.orgGoDaddy.com, LLC18 Aug 20102 Oct 202418 Aug 2025
4certificateonline.infoNameCheap, Inc.18 Jun 202423 Jun 202418 Jun 2025
5certificateonline.siteGoDaddy.com, LLC15 Jul 202429 Aug 202415 Jul 2025
6certificateonline.co.in-24 Aug 20161 Aug 201724 Aug 2018
7certificateonline.co.uk-14 Feb 201315 Jan 202514 Feb 2026
8certificateonline.clubCommuniGal Communication Ltd.13 Sep 202227 Sep 202313 Sep 2023
9certificateonline.onlineHostinger, UAB2 Dec 20223 Dec 20232 Dec 2024
10certificateonline.in-20 Oct 20204 Dec 202420 Oct 2025
11certificateonline.uk-25 Aug 202326 Jul 202425 Aug 2025
12certificateonline.ru-19 Jul 2017-19 Jul 2025
13certificateonline.workTucows Domains Inc.15 Dec 202420 Dec 202415 Dec 2025
14certificateonline.agencyGoDaddy.com, LLC31 Dec 20245 Jan 202531 Dec 2025
15certificateonlineposte.comFastDomain Inc.3 Sep 20153 Sep 20153 Sep 2016
16certificateonline-edu.comDomain.com, LLC25 May 201525 May 201525 May 2016
17certificateonlineprogram.comUniregistrar Corp---
18certificateonlineprograme.comNamesilo, LLC8 Sep 20189 Sep 20188 Sep 2019
19certificateonlinecourses.comAlpha Beta Domains LLC15 Oct 202229 Dec 202315 Oct 2023
20certificateonlinemarkert.comNamesilo, LLC19 Jul 202120 Jul 202119 Jul 2022
21certificateonlinee.comeNom, Inc.23 Jul 20234 Sep 202423 Jul 2024
22certificateonlineusa.comGoDaddy.com, LLC18 Aug 202318 Aug 202418 Aug 2025
23certificateonline617054.icuTrunkoz Technologies Pvt Ltd. d/b/a OwnRegistrar.c…13 Mar 2025-13 Mar 2026
24certificateonline993271.icuTrunkoz Technologies Pvt Ltd. d/b/a OwnRegistrar.c…13 Mar 2025-13 Mar 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=certificateonline

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