| Domain Name | Registered | Expiry | Registrar | Ownership | |
|---|---|---|---|---|---|
| 1 | csi.net | 12 Dec 1994 | 11 Dec 2025 | GoDaddy.com, LLC | - |
| 2 | csi.org | 14 Dec 1994 | 13 Dec 2025 | Squarespace Domains II LLC | Colorado Swimming |
| 3 | csi.se | 9 Jan 1996 | 31 Dec 2025 | Gandi SAS | - |
| 4 | csi.it | 29 Jan 1996 | 2 Aug 2025 | CSI Piemonte | CSI-Piemonte |
| 5 | csi.fr | 5 Sep 1996 | 8 Sep 2025 | OVH | ALTITUDE |
| 6 | csi.be | 11 Sep 1996 | - | GTT | - |
| 7 | csi.com | 11 Dec 1996 | 10 Dec 2025 | MarkMonitor, Inc. | AOL Membership Services LLC |
| 8 | csi.co.jp | 21 Feb 1997 | - | - | SCSK Minori Solutions Corporation |
| 9 | csi.nl | 17 Mar 1997 | - | Metaregistrar B.V. | - |
| 10 | csi.dk | 15 Apr 1997 | 30 Jun 2025 | - | John Bøgh |
| 11 | csi.net.pl | 1 Mar 1999 | 28 Feb 2026 | dhosting.pl Sp. z o.o. | - |
| 12 | csi.org.nz | 23 Jan 2000 | - | Plan B Limited | - |
| 13 | csi.co.id | 10 May 2000 | 1 Sep 2026 | PT JC Indonesia | - |
| 14 | csi.ca | 27 Sep 2000 | 18 Jan 2026 | CSC Corporate Domains (Canada) Company | Moody's Analytics Global Education (Canada), Inc. |
| 15 | csi.ac.cn | 7 Mar 2001 | 7 Mar 2031 | 北京国科云计算技术有限公司（原北京中科三方网络技术有限公司） | 中国地震台网中心 |
| 16 | csi.cl | 9 Mar 2001 | 3 Apr 2027 | NIC Chile | Fundación San Ignacio El Bosque |
| 17 | csi.com.co | 4 Jul 2001 | 3 Jul 2027 | Mi.com.co | CSI LTDA-8040026012 |
| 18 | csi.hu | 12 Jul 2001 | - | - | - |
| 19 | csi.coop | 18 Sep 2001 | 30 Jan 2032 | Domains.coop Limited | Cooperative Services, Inc. |
| 20 | csi.us | 19 Apr 2002 | 18 Apr 2026 | TLD Registrar Solutions Ltd. | Englebrite LLC |
| 21 | csi.com.cn | 16 May 2002 | 16 May 2033 | 阿里云计算有限公司（万网） | 浙江拍船网航运交易股份有限公司 |
| 22 | csi.net.co | 22 May 2002 | 21 May 2025 | eNom, LLC | Whois Privacy Protection Service, Inc. |
| 23 | csi.com.pl | 7 Jun 2003 | 6 Jun 2025 | nazwa.pl sp. z o.o. | - |
| 24 | csi.net.nz | 23 Jul 2003 | - | Freeparking Limited | - |
| 25 | csi.sk | 20 Jan 2004 | 20 Jan 2026 | Slovak Telekom, a.s. | Blanche Trade s.r.o. |
| 26 | csi.org.uk | 8 Mar 2004 | 8 Mar 2026 | D M Priest & Company Ltd [Tag = DMPRIEST] | - |
| 27 | csi.in | 16 Feb 2005 | 16 Feb 2029 | NameSilo, LLC | REDACTED FOR PRIVACY |
| 28 | csi.org.in | 14 Mar 2005 | 14 Mar 2025 | Net 4 India Limited | P60 CIT Rd SchVII-M Kankurgach |
| 29 | csi.biz | 13 Jun 2005 | 12 Jun 2026 | GoDaddy.com, LLC | Domains By Proxy, LLC |
| 30 | csi.pl | 25 Jan 2006 | 25 Jan 2026 | dhosting.pl Sp. z o.o. | - |
| 31 | csi.cc | 10 Apr 2006 | 10 Apr 2026 | Alibaba Cloud Computing (Beijing) Co., Ltd. | - |
| 32 | csi.co.in | 3 Jun 2006 | 3 Jun 2026 | Dynadot LLC | REDACTED FOR PRIVACY |
| 33 | csi.cat | 1 Aug 2006 | 1 Aug 2025 | Nominalia | Consorci Sanitari Integral |
| 34 | csi.tw | 30 Aug 2006 | 31 Aug 2025 | - | - |
| 35 | csi.pt | 11 Sep 2006 | 11 Feb 2025 | - | Castro e Silva, Lda. |
| 36 | csi.mobi | 26 Sep 2006 | 26 Sep 2025 | MarkMonitor Inc. | CBS Studios Inc. |
| 37 | csi.cz | 8 Jan 2007 | 8 Jan 2028 | REG-MEDIA4WEB | Centrum stavebního inženýrství,a.s. |
| 38 | csi.jp | 3 Mar 2008 | 31 Mar 2026 | - | National Institute of Informatics |
| 39 | csi.asia | 26 Jun 2008 | 26 Jun 2025 | MarkMonitor Inc. | CBS Broadcasting Inc. |
| 40 | csi.net.br | 16 Apr 2009 | 16 Apr 2025 | - | LINX Sistemas e Consultoria Ltda |
| 41 | csi.us.com | 29 Dec 2009 | 29 Dec 2026 | Network Solutions LLC | - |
| 42 | csi.co | 21 Jul 2010 | 20 Jul 2025 | MarkMonitor, Inc. | CBS Broadcasting Inc. |
| 43 | csi.ie | 29 Jul 2010 | 30 Jul 2025 | Blacknight Solutions | Ptd Cleaning Services Limited |
| 44 | csi.me | 28 Nov 2010 | 28 Nov 2025 | Dynadot Inc | REDACTED |
| 45 | csi.info.pl | 7 May 2012 | 7 May 2025 | home.pl S.A. | - |
| 46 | csi.co.th | 16 Oct 2012 | 15 Oct 2026 | THNIC | CSI Technologies (Thailand) Company Limited (บริษัท ซีเอสไอ เทคโนโลยี (ประเทศไทย) จำกัด) |
| 47 | csi.co.ke | 14 Oct 2013 | 14 Oct 2025 | SawaSawa.com Limited | Eblue Kenya |
| 48 | csi.cn | 7 Jan 2014 | 7 Jan 2026 | 阿里云计算有限公司（万网） | 常忠亮 |
| 49 | csi.photography | 13 Feb 2014 | 13 Feb 2026 | GoDaddy.com, LLC | Domains By Proxy, LLC |
| 50 | csi.solar | 9 Apr 2014 | 9 Apr 2026 | GoDaddy.com, LLC | Domains By Proxy, LLC |
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.
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Similar Domains Finder
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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.