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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 1595 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 [671 Million Domains] $10,000 Details

Keyword: PROTOBLOC

Reverse Whois » KEYWORD [protobloc ]  { 25 domain names }


NumDomain NameRegistrarCreatedUpdatedExpiry
1protobloc.devTucows Domains Inc.9 Aug 2025--
2protobloc.orgGoDaddy.com, LLC9 Aug 202518 Dec 20259 Aug 2027
3protobloc.comGoDaddy.com, LLC9 Aug 20257 Nov 20259 Aug 2027
4protobloc.xyzGoDaddy.com, LLC22 Oct 202520 Nov 202522 Oct 2026
5protobloc.infoGoDaddy.com, LLC22 Oct 202527 Oct 202522 Oct 2026
6protobloc.netGoDaddy.com, LLC22 Oct 202522 Oct 202522 Oct 2026
7protobloc.storeGoDaddy.com, LLC22 Oct 202520 Nov 202522 Oct 2026
8protoblock.org1API GmbH25 Feb 20167 Apr 202525 Feb 2025
9protoblock.info1API GmbH25 Feb 201628 Nov 202525 Feb 2026
10protoblock.netTurnCommerce, Inc. DBA NameBright.com25 Feb 20166 Dec 202125 Feb 2026
11protoblocking.orgDomain.com, LLC20 Jun 201620 Aug 201620 Jun 2018
12protoblocking.netDomain.com, LLC20 Jun 201620 Jun 201620 Jun 2018
13protoblocking.comTurnCommerce, Inc. DBA NameBright.com8 Sep 20187 Aug 20258 Sep 2026
14protoblock.comDomainPrime.com LLC5 Jun 20144 Aug 20225 Jun 2026
15protoblocks.info-31 Dec 2005-30 Dec 2026
16protoblocks.orgEuroDNS S.A.1 Jan 200631 Dec 20251 Jan 2027
17protoblockchain.comNameCheap, Inc.13 Sep 202113 Sep 202213 Sep 2022
18protoblocs.comGMO Internet Inc.14 Mar 202025 Apr 202414 Mar 2024
19protoblock.xyzGMO Internet Inc.20 Jun 202525 Jun 202520 Jun 2026
20protoblocks.beEuroDNS S.A.1 Jan 2006--
21protoblocksreferencecards.comEuroDNS S.A.5 Mar 201027 Feb 20254 Mar 2026
22protoblocks.comEuroDNS S.A.1 Jan 200626 Dec 202531 Dec 2026
23protoblocks.studioGoogle, Inc.31 Mar 20233 Jun 202531 Mar 2026
24protoblocks.netEuroDNS S.A.1 Jan 200626 Dec 202531 Dec 2026
25protoblockchain.netNameCheap, Inc.20 Sep 202321 Sep 202420 Sep 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=protobloc

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