| Domain Name | Registered | Expiry | Registrar | Ownership | |
|---|---|---|---|---|---|
| 1 | cas.org | 5 Sep 1989 | 4 Sep 2028 | Network Solutions, LLC | CAS |
| 2 | cas.nl | 13 May 1996 | - | team.blue nl B.V. | - |
| 3 | cas.cz | 6 Oct 1996 | 29 Oct 2024 | REG-GRANSY | Středisko společných činností AV ČR, v.v.i. |
| 4 | cas.it | 21 Jan 1997 | 13 Sep 2024 | ITnet s.r.l. | Centro Assistenza Software S.R.L. |
| 5 | cas.com | 2 Aug 1997 | 1 Aug 2025 | CSC CORPORATE DOMAINS, INC. | Accenture Global Services Limited |
| 6 | cas.org.uk | 22 Aug 1997 | 22 Aug 2025 | Safenames Ltd [Tag = SAFENAMES] | - |
| 7 | cas.co.jp | 13 Nov 1997 | - | - | Chuo Accounting System Corporation |
| 8 | cas.pl | 18 May 1998 | 17 May 2025 | nazwa.pl sp. z o.o. | - |
| 9 | cas.fr | 3 Sep 1998 | 15 Apr 2025 | OVH | Colisee Audiovisuel Service |
| 10 | cas.ru | 15 Mar 1999 | 31 Mar 2025 | RU-CENTER-RU | Obshchestvo s ogranichennoj otvetstvennostyu "Korean Skejl Tekhnolodzhi" |
| 11 | cas.ac.cn | 19 May 1999 | 19 May 2025 | 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） | 中国科学院 |
| 12 | cas.ie | 15 Jun 1999 | 16 Jun 2025 | Blacknight Solutions | Darley Enterprises Limited |
| 13 | cas.hr | 1 Jul 1999 | 20 Oct 2024 | CARNET | HAD |
| 14 | cas.co.th | 14 Aug 1999 | 13 Aug 2025 | THNIC | CAS Co.,Ltd. (บริษัท ซี เอ เอส จำกัด) |
| 15 | cas.hu | 26 Apr 2000 | - | - | - |
| 16 | cas.ca | 13 Oct 2000 | 5 Jun 2025 | Tucows.com Co. | Canadian Anesthesiologists Society |
| 17 | cas.net.cn | 30 Oct 2000 | 30 Oct 2026 | 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） | 肇庆加美学校有限公司 |
| 18 | cas.co.nz | 20 Sep 2001 | - | Key-Systems GmbH | - |
| 19 | cas.biz | 27 Mar 2002 | 26 Mar 2025 | Network Solutions, LLC | CAS |
| 20 | cas.aero | 26 Jun 2002 | 26 Jun 2025 | Secura GmbH | REDACTED FOR PRIVACY |
| 21 | cas.be | 1 Jul 2002 | - | Registrar.nl B.V. | - |
| 22 | cas.dk | 31 Jul 2002 | 30 Sep 2024 | - | CAS Vikarbooking ApS |
| 23 | cas.net | 16 Aug 2002 | 16 Aug 2025 | Moniker Online Services LLC | Moniker Privacy Services |
| 24 | cas.sk | 7 Feb 2003 | 7 Feb 2025 | News and Media Holding a.s. | News and Media Holding a.s. |
| 25 | cas.cn | 17 Mar 2003 | 17 Mar 2025 | 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） | 中国科学院 |
| 26 | cas.bz | 26 May 2003 | 26 May 2025 | eNom, LLC | - |
| 27 | cas.org.cn | 29 Jan 2004 | 29 Jan 2026 | 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） | 中国资产评估协会 |
| 28 | cas.school.nz | 23 Aug 2004 | - | Freeparking Limited t/a DiscountDomains | - |
| 29 | cas.com.co | 25 Oct 2004 | 1 Nov 2026 | Mi.com.co | CAS Technologies Ltda-830502677 |
| 30 | cas.ma | 18 Feb 2005 | 18 Feb 2025 | ITISSALAT AL-MAGHRIB | Redacted | Registry Policy |
| 31 | cas.org.nz | 15 Aug 2005 | - | Voyager Internet Ltd T/A 1st Domains | - |
| 32 | cas.ag | 5 Jan 2006 | 5 Jan 2025 | InternetX | CAS Software AG |
| 33 | cas.gb.net | 19 Sep 2006 | 19 Sep 2024 | 123-Reg Limited | - |
| 34 | cas.cc | 8 May 2008 | 8 May 2027 | Alibaba Cloud Computing (Beijing) Co., Ltd. | - |
| 35 | cas.me | 17 Jul 2008 | 17 Jul 2026 | GoDaddy.com, LLC | Domains By Proxy, LLC |
| 36 | cas.by | 25 Aug 2008 | 28 Aug 2026 | Open Contact, Ltd | ООО "ВИАЛ-КАС-БЕЛ" |
| 37 | cas.in | 22 Apr 2009 | 22 Apr 2031 | Dynadot LLC | HitMedia |
| 38 | cas.us.com | 24 Jun 2009 | 24 Jun 2025 | Network Solutions LLC | - |
| 39 | cas.ind.in | 22 Oct 2009 | 22 Oct 2026 | Endurance Digital Domain Technology Private Limited | Chaturvedi & Shah |
| 40 | cas.net.in | 8 Dec 2009 | 8 Dec 2027 | Endurance Digital Domain Technology Private Limited | CNB |
| 41 | cas.co | 23 Apr 2010 | 22 Apr 2025 | .COInternet Restricted and Reserved names | REDACTED FOR PRIVACY |
| 42 | cas.us | 10 Jul 2011 | 9 Jul 2025 | Global Domains International, Inc. DBA DomainCostClub.com | Konstantinos Zournas, LLC |
| 43 | cas.tv | 19 Jun 2012 | 19 Jun 2025 | Dynadot Inc | Super Privacy Service LTD c/o Dynadot |
| 44 | cas.com.ro | 24 Sep 2013 | 21 Sep 2027 | Romarg SRL | - |
| 45 | cas.net.br | 29 Oct 2013 | 29 Oct 2029 | - | A H C de Oliveira |
| 46 | cas.firm.in | 29 Jan 2014 | 29 Jan 2025 | GoDaddy.com, LLC | c.a service |
| 47 | cas.asia | 24 Mar 2014 | 24 Mar 2025 | GoDaddy.com, LLC | Domains By Proxy, LLC |
| 48 | cas.graphics | 3 Jun 2014 | 3 Jun 2025 | IONOS SE | REDACTED FOR PRIVACY |
| 49 | cas.eu.com | 28 Jun 2014 | 28 Jun 2025 | TLD Registrar Solutions Ltd | - |
| 50 | cas.co.mz | 19 Aug 2014 | 27 Dec 2024 | CIUEM Registrar | - |
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
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 266 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.