| Domain Name | Registered | Expiry | Registrar | Ownership | |
|---|---|---|---|---|---|
| 1 | castle.org | 24 May 1989 | 23 May 2030 | eNom, LLC | Data Protected |
| 2 | castle.net | 14 Nov 1994 | 13 Nov 2025 | Wild West Domains, LLC | - |
| 3 | castle.co.jp | 3 Sep 1996 | - | - | Nagoya Castle Co., Ltd. |
| 4 | castle.com | 5 Jun 1997 | 4 Jun 2026 | DNC Holdings, Inc | Jewella Privacy LLC Privacy ID# 12956185 |
| 5 | castle.uk.com | 5 Oct 1999 | 5 Oct 2026 | 123-Reg Limited | - |
| 6 | castle.ru | 4 Jul 2000 | 4 Jul 2025 | RU-CENTER-RU | NETGALAXY LTD |
| 7 | castle.ca | 2 Oct 2000 | 30 Nov 2026 | WHC Online Solutions Inc. | Castle Building Centres Group Limited |
| 8 | castle.info | 8 Aug 2001 | 8 Aug 2025 | CSC Corporate Domains, Inc. | CSC Corporate Domains, Inc. |
| 9 | castle.us | 16 May 2002 | 15 May 2026 | Network Solutions, LLC | CASTLE OIL CORPORATION |
| 10 | castle.net.cn | 3 Dec 2002 | 3 Dec 2025 | 商中在线科技股份有限公司 | 南京卡索系统工程有限公司 |
| 11 | castle.co.uk | 6 Feb 2003 | 6 Feb 2027 | 123-Reg Limited t/a 123-reg [Tag = 123-REG] | - |
| 12 | castle.ie | 12 Jun 2003 | 13 Jun 2025 | Register 365 | Castle Company Formations Ltd |
| 13 | castle.se | 3 Jul 2003 | 3 Jul 2025 | Loopia AB | - |
| 14 | castle.pl | 20 Apr 2004 | 20 Apr 2026 | Consulting Service Sp. z o.o. | - |
| 15 | castle.by | 30 Jan 2005 | 7 Feb 2026 | Open Contact, Ltd | - |
| 16 | castle.in | 16 Feb 2005 | 16 Feb 2026 | Endurance Digital Domain Technology Private Limited | Travel India |
| 17 | castle.nl | 27 Aug 2007 | - | team.blue nl B.V. | - |
| 18 | castle.ro | 14 Nov 2007 | 11 Nov 2028 | Claus Web SRL | - |
| 19 | castle.tv | 29 Mar 2010 | 29 Mar 2026 | Name.com, Inc. | Domain Protection Services, Inc. |
| 20 | castle.co | 22 Apr 2010 | 21 Apr 2026 | GoDaddy.com, LLC | Domains By Proxy, LLC |
| 21 | castle.so | 2 May 2011 | 2 May 2026 | Dynadot LLC | Pending Renewal or Deletion |
| 22 | castle.biz | 30 May 2012 | 29 May 2026 | Dynadot Inc | Digital Domains MEPE |
| 23 | castle.dk | 22 Sep 2012 | 30 Sep 2025 | - | CASTLE ANDERSEN ApS |
| 24 | castle.eu.com | 16 Oct 2012 | 16 Oct 2025 | Namecheap | - |
| 25 | castle.it | 2 Aug 2013 | 15 Aug 2025 | Donat Network System di Molino | Donato Molino |
| 26 | castle.cab | 15 Apr 2014 | 15 Apr 2026 | Tucows Domains Inc. | Cosun Formations Limited |
| 27 | castle.engineering | 13 Jul 2014 | 13 Jul 2026 | Network Solutions, LLC | REDACTED |
| 28 | castle.international | 25 Aug 2014 | 25 Aug 2026 | GoDaddy.com, LLC | Domains By Proxy, LLC |
| 29 | castle.consulting | 1 Oct 2014 | 1 Oct 2025 | Name.com, Inc. | REDACTED FOR PRIVACY |
| 30 | castle.beer | 21 Oct 2014 | 21 Oct 2026 | CSC Corporate Domains, Inc. | Anheuser-Busch InBev S.A. |
| 31 | castle.productions | 22 Oct 2014 | 22 Oct 2025 | GoDaddy.com, LLC | Domains By Proxy, LLC |
| 32 | castle.cz | 7 Dec 2014 | 7 Dec 2026 | REG-ONE | Online Capital s.r.o. |
| 33 | castle.io | 27 Dec 2014 | 27 Dec 2027 | 101domain GRS Limited | Digital Privacy Corporation |
| 34 | castle.land | 6 Feb 2015 | 6 Feb 2026 | GoDaddy.com, LLC | Domains By Proxy, LLC |
| 35 | castle.sx | 26 Feb 2015 | 26 Feb 2026 | 1API GmbH | Anonymize LLC |
| 36 | castle.insure | 27 Feb 2015 | 27 Feb 2026 | IONOS SE | Castle Agencies |
| 37 | castle.moe | 23 Mar 2015 | 22 Mar 2025 | Dynadot Inc | REDACTED FOR PRIVACY |
| 38 | castle.co.in | 21 Jul 2015 | 21 Jul 2025 | GoDaddy.com, LLC | SAMVAD GROUP |
| 39 | castle.network | 31 Jul 2015 | 31 Jul 2025 | Gandi SAS | REDACTED FOR PRIVACY |
| 40 | castle.software | 13 Aug 2015 | 13 Aug 2025 | Synergy Wholesale Accreditations Pty Ltd | REDACTED |
| 41 | castle.photography | 13 Aug 2015 | 13 Aug 2025 | Synergy Wholesale Accreditations Pty Ltd | REDACTED |
| 42 | castle.black | 28 Aug 2015 | 28 Aug 2025 | Tucows Domains Inc. | Contact Privacy Inc. Customer 0141170675 |
| 43 | castle.feedback | 15 Oct 2015 | 15 Oct 2025 | Tucows Registry Services | REGISTRY RESERVED DOMAIN |
| 44 | castle.loans | 25 Oct 2015 | 25 Oct 2025 | GoDaddy.com, LLC | Domains By Proxy, LLC |
| 45 | castle.sucks | 8 Dec 2015 | 8 Dec 2025 | Ascio Technologies, Inc. Danmark - Filial af Ascio technologies, Inc. USA | SABMiller plc |
| 46 | castle.capital | 18 Jan 2016 | 18 Jan 2026 | Squarespace Domains II LLC | Red Emerald Resources Corp |
| 47 | castle.cloud | 11 Feb 2016 | 11 Feb 2026 | Name.com, Inc. | CTTC |
| 48 | castle.furniture | 6 Apr 2016 | 6 Apr 2026 | GoDaddy.com, LLC | Domains By Proxy, LLC |
| 49 | castle.company | 30 Apr 2016 | 30 Apr 2026 | Network Solutions, LLC | REDACTED |
| 50 | castle.vip | 21 May 2016 | 21 May 2025 | Chengdu West Dimension Digital Technology Co., Ltd. | REDACTED FOR PRIVACY |
You can fetch the above results in JSON or XML format through our API:
API Pricing and Packages
Can be used for Current WHOIS API, Bulk WHOIS API, WHOIS History API, Reverse WHOIS API and Fuzzy Domains API.
| Package | Quantity | Price | Rate ⇩ | Order |
|---|---|---|---|---|
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Similar Domains Finder
Find domains that contain your domain name's exact keyword through our free Similar Domains Finder tool.
Our Current WHOIS Database contains the latest WHOIS of over 272 Million active domain names, that are currently registered. This powers our Reverse WHOIS API, which lets you quickly find all the domains contain your domain's exact keyword.