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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 1594 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 [641 Million Domains] $10,000 Details

Keyword: CHECKDOWN

Reverse Whois » KEYWORD [checkdown ]  { 33 domain names }


NumDomain NameRegistrarCreatedUpdatedExpiry
1checkdown.netPSI-USA, Inc. dba Domain Robot13 Sep 20122 Nov 202413 Sep 2026
2checkdown.comPSI-USA, Inc. dba Domain Robot21 Apr 200628 Jul 202521 Apr 2026
3checkdown.orgPSI-USA, Inc. dba Domain Robot5 Sep 20126 Sep 20255 Sep 2025
4checkdown.clubNameCheap, Inc.8 Aug 20219 Aug 20218 Aug 2022
5checkdown.onlineHosting Ukraine LLC8 Jul 202320 Aug 20248 Jul 2024
6checkdown.blogAutomattic Inc.19 Jan 20244 Mar 202519 Jan 2025
7checkdown.football1API GmbH19 Jan 20244 Mar 202519 Jan 2025
8checkdownchatter.comGoDaddy.com, LLC2 Oct 201229 Jan 20152 Oct 2015
9checkdownclothing.comGoDaddy.com, LLC7 Feb 20167 Feb 20167 Feb 2017
10checkdowncharlie.comGoDaddy.com, LLC29 Apr 20251 Aug 202529 Apr 2026
11checkdownsports.netWild West Domains, LLC16 May 201616 Apr 202516 May 2026
12checkdownapp.com1API GmbH15 Dec 201321 Sep 201515 Dec 2016
13checkdownloadspeed.comDot Holding Inc.27 Aug 202414 Aug 202527 Aug 2026
14checkdowntime.comeNom, Inc.16 Sep 201318 Aug 202416 Sep 2025
15checkdowns.comGoDaddy.com, LLC4 Dec 20244 Feb 20254 Dec 2027
16checkdownload.comGoDaddy.com, LLC23 Feb 20053 Feb 202523 Feb 2026
17checkdownmusic.comWild West Domains, LLC22 Mar 200723 Mar 202522 Mar 2026
18checkdownreport.comFastDomain Inc.22 May 201922 May 201922 May 2020
19checkdownsports.comFastDomain Inc.15 Aug 201631 Jul 202515 Aug 2026
20checkdowntown.comDropCatch.com 1432 LLC8 Dec 20188 Dec 20188 Dec 2019
21checkdowngradebestfileclicks.topNameCheap, Inc.11 Apr 201911 Apr 201911 Apr 2020
22checkdowngradegreatappclicks.topNameCheap, Inc.12 May 201912 May 201912 May 2020
23checkdownfantasy.comGoDaddy.com, LLC16 Sep 201917 Sep 202416 Sep 2025
24checkdowntips.comFastDomain Inc.17 May 202017 May 202017 May 2022
25checkdownse.comHetzner Online AG3 Dec 202215 Jan 20243 Dec 2023
26checkdownculture.comGoDaddy.com, LLC4 Jan 202317 Mar 20244 Jan 2024
27checkdownfootball.comGoDaddy.com, LLC1 Dec 20211 Dec 20241 Dec 2025
28checkdownqb.comNetwork Solutions, LLC23 Jan 202425 Jan 202523 Jan 2026
29checkdownchamps.comAutomattic Inc.18 Jun 202429 May 202518 Jun 2026
30checkdowncharliemusic.coKey-Systems GmbH12 Aug 202512 Aug 202512 Aug 2027
31checkdowncharliemusic.comAutomattic Inc.10 Aug 202510 Aug 202510 Aug 2026
32checkdowncharliemusic.ca-10 Aug 202510 Aug 202510 Aug 2026
33checkdownhaulcent.ru.comNameKing.com Inc.9 Sep 20259 Sep 20259 Sep 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=checkdown

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