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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 1589 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 [623 Million Domains] $10,000 Details

Keyword: CRITICALSOFTWARE

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


NumDomain NameRegistrarCreatedUpdatedExpiry
1criticalsoftware.comCloudFlare, Inc.9 Apr 199817 Mar 20258 Apr 2026
2criticalsoftware.infoGoDaddy.com, LLC12 Dec 200713 Nov 201712 Dec 2018
3criticalsoftware.netCloudFlare, Inc.10 Apr 201811 Mar 202510 Apr 2026
4criticalsoftware.orgTucows Domains Inc.30 Oct 20244 Nov 202430 Oct 2025
5criticalsoftware.co.uk-3 Jul 20083 Jun 20253 Jul 2026
6criticalsoftware.devNameCheap, Inc.28 Feb 20195 Mar 201928 Feb 2020
7criticalsoftware.xyzNameCheap, Inc.28 Aug 20239 Oct 202428 Aug 2024
8criticalsoftware.com.cn-15 Mar 2016-15 Mar 2027
9criticalsoftware.coCloudFlare, Inc.2 Aug 20107 Jul 20241 Aug 2025
10criticalsoftware.asiaGoDaddy.com, LLC10 Apr 201825 May 202510 Apr 2026
11criticalsoftware.pt----
12criticalsoftware.de--6 Apr 2023-
13criticalsoftwarepatch.comGoDaddy.com, LLC3 May 20193 May 20193 May 2020
14criticalsoftwareblog.comPDR Ltd. d/b/a PublicDomainRegistry.com11 Mar 20169 Feb 202511 Mar 2026
15criticalsoftwaresystems.comTucows Domains Inc.23 Sep 200323 Sep 202423 Sep 2025
16criticalsoftwareconsulting.comeNom, Inc.2 Jan 201723 Dec 20172 Jan 2019
17criticalsoftwaresolutions.comFastDomain Inc.30 Mar 201815 Mar 202530 Mar 2026
18criticalsoftwaresolutions.techPDR Ltd. d/b/a PublicDomainRegistry.com30 Mar 201830 Mar 201830 Mar 2019
19criticalsoftwaresolutions.netFastDomain Inc.30 Mar 201815 Mar 202530 Mar 2026
20criticalsoftwaregroup.comFastDomain Inc.21 Mar 20196 Mar 202521 Mar 2026
21criticalsoftwares.comGoDaddy.com, LLC8 Apr 202410 May 20248 Apr 2027
22criticalsoftwaredesign.comDomain.com, LLC11 Mar 202124 Apr 202511 Mar 2025
23criticalsoftwaredesign.netDomain.com, LLC11 Mar 202125 May 202411 Mar 2024
24criticalsoftwarehub.comGoDaddy.com, LLC16 May 202516 May 202516 May 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=criticalsoftware

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