Our database now contains whois records of 612 Million (612,990,820) 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 1576 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 [612 Million Domains] $10,000 Details

Keyword: SIPDOWN

Reverse Whois » KEYWORD [sipdown ]  { 7 domain names }


NumDomain NameRegistrarCreatedUpdatedExpiry
1sipdown.comDynadot, LLC10 Jan 201722 Oct 202410 Jan 2026
2sipdowntown.orgGoDaddy.com, LLC20 Oct 201520 Oct 201520 Oct 2016
3sipdowntown.infoGoDaddy.com, LLC20 Oct 2015-20 Oct 2016
4sipdownload.xyzPDR Ltd. d/b/a PublicDomainRegistry.com1 Jun 20161 Aug 20161 Jun 2017
5sipdownload.netGoDaddy.com, LLC11 Dec 201911 Dec 201911 Dec 2020
6sipdowntownbrasserie.comFastDomain Inc.7 Jul 20201 Jul 20247 Jul 2025
7sipdowntown.comSquarespace Domains LLC17 Jan 20232 Jan 202517 Jan 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=sipdown

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