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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 [622 Million Domains] $10,000 Details

Keyword: 5XX1

Reverse Whois » KEYWORD [5xx1 ]  { 13 domain names }


NumDomain NameRegistrarCreatedUpdatedExpiry
15xx1.comPSI-USA, Inc. dba Domain Robot9 Jun 202514 Jun 20259 Jun 2026
25xx1j.partyAlpnames Limited25 May 201525 May 201524 May 2016
35xx1p5j.xyzPDR Ltd. d/b/a PublicDomainRegistry.com2 Jun 201629 Jul 20162 Jun 2017
45xx11.infoWest263 International Limited17 Apr 201716 Jun 201717 Apr 2018
55xx18.com1API GmbH4 Oct 20174 Oct 20174 Oct 2018
65xx12s.infoGoDaddy.com, LLC28 Oct 201828 Oct 201828 Oct 2019
75xx1rzdpdm2nqs.comGMO Internet Inc.25 Dec 201826 Dec 201825 Dec 2019
85xx11.comDROPCATCH.COM 760 LLC16 Feb 20226 Mar 202516 Feb 2026
95xx19.icuChengdu West Dimension Digital Technology Co., Ltd…25 Feb 202230 Mar 202325 Feb 2023
105xx1v.comGoDaddy.com, LLC31 Oct 202212 Dec 202331 Oct 2023
115xx1t.latNamesilo, LLC1 Feb 20247 Mar 20251 Feb 2025
125xx199.topAlibaba Cloud Computing Ltd. d/b/a HiChina (www.ne…8 Feb 202418 Mar 20258 Feb 2025
135xx19y.cfdNamesilo, LLC30 Apr 202530 Apr 202530 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=5xx1

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