Our database now contains whois records of 621 Million (621,079,042) domain names.
Login / Password / Signup
Low Price Guarantee

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 1577 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 [621 Million Domains] $10,000 Details

Keyword: DB4O

Reverse Whois » KEYWORD [db4o ]  { 23 domain names }


NumDomain NameRegistrarCreatedUpdatedExpiry
1db4o.comGoDaddy.com, LLC8 Jun 20009 Jun 20248 Jun 2025
2db4o.orgunited-domains AG23 Feb 20159 Apr 202523 Feb 2026
3db4o.net101domain, Inc.8 Jul 202010 May 20258 Jul 2026
4db4o.xyzUniregistrar Corp2 Jun 201623 Sep 20162 Jun 2017
5db4o.de--25 Jul 2015-
6db4o.onlineLimited Liability Company "Registrar of domain nam…10 Feb 2022-10 Feb 2023
7db4off1t39dm9d1.comGMO Internet Inc.17 Nov 201417 Nov 201417 Nov 2015
8db4omgj.netGMO Internet Inc.20 Nov 201420 Nov 201420 Nov 2015
9db4odc.comGMO Internet Inc.19 Aug 201520 Aug 201519 Aug 2016
10db4ozone.comEpik Inc.7 Jul 200630 Aug 20197 Jul 2025
11db4objects.comGoDaddy.com, LLC18 Jun 200419 Jun 202418 Jun 2025
12db4objects.net101domain, Inc.8 Jul 202025 Sep 20248 Jul 2025
13db4objects.org101domain, Inc.8 Jul 202015 May 20248 Jul 2025
14db4one.loanPDR Ltd. d/b/a PublicDomainRegistry.com12 Jul 2017-12 Jul 2018
15db4o1.buzzNamesilo, LLC22 Feb 202327 Mar 202422 Feb 2024
16db4one5.comGoogle, Inc.6 Apr 202318 May 20256 Apr 2025
17db4oe4.cyouWest263 International Limited21 Jul 202214 Nov 202221 Jul 2024
18db4oe2.comBeijing Lanhai Jiye Technology Co., Ltd24 Jun 202326 Aug 202424 Jun 2024
19db4o06est.sbsGlobal Domains International, Inc. DBA DomainCostC…18 Jan 202419 Jan 202518 Jan 2026
20db4onhal0hwd.comBeijing Lanhai Jiye Technology Co., Ltd5 Mar 20247 May 20255 Mar 2025
21db4oqcfxgu.ru-31 May 2024-31 May 2025
22db4ox.comDNSPod, Inc.18 Feb 202518 Feb 202518 Feb 2026
23db4odo.sbsNamesilo, LLC21 Apr 202521 Apr 202521 Apr 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=db4o

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