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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 1575 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 [597 Million Domains] $10,000 Details

Keyword: BOOK4U

Reverse Whois » KEYWORD [book4u ]  { 40 domain names }


NumDomain NameRegistrarCreatedUpdatedExpiry
1book4u.com.tw-22 Feb 2000-6 May 2021
2book4u.orgNameCheap, Inc.1 Feb 201523 Jan 20231 Feb 2025
3book4u.ws----
4book4u.infoGoDaddy.com, LLC2 Oct 20172 Oct 20172 Oct 2018
5book4u.scienceAlpnames Limited28 Mar 2015-27 Mar 2016
6book4u.xyzGoDaddy.com, LLC30 Aug 202311 Oct 202430 Aug 2024
7book4u.clubNameCheap, Inc.10 Mar 201610 Mar 20169 Mar 2017
8book4u.onlineGoDaddy.com, LLC13 Apr 202416 Sep 202413 Apr 2025
9book4u.comNetwork Solutions, LLC28 Nov 19988 Oct 202427 Nov 2025
10book4u.us-22 Sep 201622 Sep 201621 Sep 2017
11book4u.net-18 Sep 202326 Sep 202418 Sep 2025
12book4u.winNameCheap, Inc.26 Jun 20171 Jul 201726 Jun 2018
13book4u.co.uk-5 Feb 20065 Mar 20165 Feb 2018
14book4u.siteKey-Systems, LLC4 Feb 202319 Mar 20244 Feb 2024
15book4u.digitalNameCheap, Inc.3 May 20218 May 20213 May 2022
16book4u.spaceNameCheap, Inc.6 Oct 202317 Nov 20246 Oct 2024
17book4u.funNameCheap, Inc.14 Nov 202226 Jan 202514 Nov 2024
18book4u.in-29 Mar 202329 Mar 202429 Mar 2024
19book4u.topAlibaba Cloud Computing Ltd. d/b/a HiChina (www.ne…6 Jan 20256 Jan 20256 Jan 2026
20book4u.icuNameCheap, Inc.19 Aug 202330 Oct 202419 Aug 2024
21book4u.bizPSI-USA, Inc. dba Domain Robot19 May 20233 Jul 202419 May 2025
22book4u.ru-9 Nov 2023-9 Nov 2025
23book4u.sk-31 Aug 201014 Jul 202431 Aug 2025
24book4us.net-22 Sep 201522 Sep 201522 Sep 2017
25book4use.comHiChina Zhicheng Technology Limited10 Nov 201510 Nov 201510 Nov 2018
26book4us.comTurnCommerce, Inc. DBA NameBright.com19 Mar 201420 Aug 202119 Mar 2025
27book4us.xyzRealtime Register B.V.13 Jul 201618 Jul 201613 Jul 2017
28book4umrah.comGoDaddy.com, LLC10 Feb 202214 Feb 202410 Feb 2025
29book4url.comNamePal.com #80074 Apr 201911 Apr 20244 Apr 2025
30book4url.netGoDaddy.com, LLC15 Jan 201329 Jan 202515 Jan 2026
31book4url.orgDynadot, LLC3 Apr 201918 May 20243 Apr 2025
32book4ur.comGoDaddy.com, LLC17 Jul 201917 Jul 201917 Jul 2020
33book4utoread.comPDR Ltd. d/b/a PublicDomainRegistry.com26 Feb 201728 Apr 201726 Feb 2018
34book4unow.comHostinger, UAB9 Dec 20199 Dec 20199 Dec 2020
35book4uk.comTucows Domains Inc.12 Jan 20228 Jan 202512 Jan 2026
36book4usa.comTucows Domains Inc.14 Jan 202213 Jan 202514 Jan 2026
37book4uorg.comWild West Domains, LLC28 Feb 202213 Apr 202428 Feb 2025
38book4u-sms.comCloudFlare, Inc.15 May 202224 Jun 202315 May 2023
39book4ua.comInternet Invest, Ltd. dba Imena.ua14 Aug 202215 Aug 202414 Aug 2025
40book4usmle.comNameCheap, Inc.7 Feb 20247 Feb 20247 Feb 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=book4u

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