| Domain Name | Registered | Expiry | Registrar | Ownership | |
|---|---|---|---|---|---|
| 1 | c4i.net | 9 May 1997 | 10 May 2025 | Moniker Online Services LLC | REDACTED FOR PRIVACY |
| 2 | c4i.se | 29 Apr 1998 | 14 Dec 2024 | Loopia AB | - |
| 3 | c4i.org | 1 Jan 2000 | 1 Jan 2031 | GKG.NET, INC. | GKG.NET Domain Proxy Service |
| 4 | c4i.ca | 25 Oct 2000 | 18 Mar 2025 | eNom Canada Corp. | Christians for Israel, Canada o/a c4i (NFP) |
| 5 | c4i.jp | 12 Feb 2002 | 28 Feb 2025 | - | C4I CO.,LTD |
| 6 | c4i.com | 24 Feb 2004 | 24 Feb 2026 | Synergy Wholesale | Domain Privacy |
| 7 | c4i.co.uk | 29 Jul 2004 | 29 Jul 2025 | CSC Corporate Domains, Inc [Tag = CSC-CORP-DOMAINS] | - |
| 8 | c4i.nl | 16 Mar 2007 | - | AXC | - |
| 9 | c4i.com.pl | 7 Sep 2007 | 7 Sep 2025 | OVH SAS | - |
| 10 | c4i.co.jp | 25 Dec 2007 | - | - | C4I,co.,Inc |
| 11 | c4i.biz | 4 Nov 2009 | 3 Nov 2024 | NameCheap, Inc. | Privacy service provided by Withheld for Privacy ehf |
| 12 | c4i.us | 4 Nov 2009 | 3 Nov 2028 | OwnRegistrar, Inc. | C4I.org |
| 13 | c4i.me | 28 Jan 2010 | 28 Jan 2025 | eNom, LLC | Just Works |
| 14 | c4i.info | 21 Mar 2014 | 21 Mar 2025 | Tucows Domains Inc. | Data Protected |
| 15 | c4i.com.br | 2 Feb 2015 | 2 Feb 2027 | - | ETHOS SERVICOS DE MONITORAMENTO EIRELI-EPP |
| 16 | c4i.co | 7 Apr 2015 | 6 Apr 2025 | GoDaddy.com, LLC | Domains By Proxy, LLC |
| 17 | c4i.news | 12 Feb 2016 | 12 Feb 2025 | GoDaddy.com, LLC | Domains By Proxy, LLC |
| 18 | c4i.co.nz | 18 Jul 2016 | - | Voyager Internet Ltd T/A 1st Domains | - |
| 19 | c4i.top | 31 May 2018 | 31 May 2028 | Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn) | huang min ming |
| 20 | c4i.io | 2 Jan 2019 | 2 Jan 2026 | NameCheap, Inc. | Privacy service provided by Withheld for Privacy ehf |
| 21 | c4i.solutions | 13 Feb 2019 | 13 Feb 2026 | GoDaddy.com, LLC | Domains By Proxy, LLC |
| 22 | c4i.associates | 24 Jan 2020 | 24 Jan 2025 | Squarespace Domains II LLC | REDACTED FOR PRIVACY |
| 23 | c4i.pt | 2 Mar 2020 | 2 Mar 2025 | - | - |
| 24 | c4i.cn | 9 Sep 2020 | 9 Sep 2025 | 广州云讯信息科技有限公司 | 王胜彪 |
| 25 | c4i.tech | 29 Oct 2020 | 29 Oct 2024 | Go Daddy, LLC | Domains By Proxy, LLC |
| 26 | c4i.digital | 4 Feb 2021 | 4 Feb 2025 | Squarespace Domains II LLC | \u682A\u5F0F\u4F1A\u793EQ-inks |
| 27 | c4i.consulting | 15 Apr 2021 | 15 Apr 2025 | Automattic Inc. | Knock Knock WHOIS Not There, LLC |
| 28 | c4i.be | 15 Jun 2021 | - | Key-Systems GmbH | - |
| 29 | c4i.pl | 9 Sep 2021 | 9 Sep 2025 | OVH SAS | - |
| 30 | c4i.work | 24 Dec 2021 | 24 Dec 2031 | DNSPod, Inc. | Gao Lin Hai |
| 31 | c4i.dev | 8 Sep 2022 | 8 Sep 2025 | Squarespace Domains II LLC. | REDACTED FOR PRIVACY |
| 32 | c4i.in | 20 Jan 2023 | 20 Jan 2026 | GoDaddy.com, LLC | c4i technologies |
| 33 | c4i.ru | 14 Apr 2023 | 14 Apr 2025 | REGRU-RU | Private Person |
| 34 | c4i.support | 26 Feb 2024 | 26 Feb 2025 | Name.com, Inc. | Domain Protection Services, Inc. |
| 35 | c4i.uk | 23 Apr 2024 | 23 Apr 2027 | GoDaddy.com, LLC. [Tag = GODADDY] | - |
| 36 | c4i.org.uk | 23 Apr 2024 | 23 Apr 2026 | GoDaddy.com, LLC. [Tag = GODADDY] | - |
| 37 | c4i.xyz | 10 Jun 2024 | 10 Jun 2025 | eNom, Inc. | Data Protected |
| 38 | c4i.buzz | 11 Jun 2024 | 11 Jun 2025 | NameSilo, LLC | See PrivacyGuardian.org |
| 39 | c4i.online | 5 Jul 2024 | 5 Jul 2027 | Go Daddy, LLC | Domains By Proxy, LLC |
| 40 | c4i.com.au | - | - | Synergy Wholesale Accreditations Pty Ltd | Andrew Mitson |
| 41 | c4i.im | - | 7 Feb 2025 | - | Redacted |
| 42 | c4i.net.au | - | - | Synergy Wholesale Accreditations Pty Ltd | Andrew Mitson |
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 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.