| Domain Name | Registered | Expiry | Registrar | Ownership | |
|---|---|---|---|---|---|
| 1 | sigmaai.online | 7 Mar 2024 | 7 Mar 2025 | Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn) | xi ge ma ning bo shi ren gong zhi neng you xian ze ren gong si |
| 2 | sigmapi.org | 11 Jan 1997 | 10 Jan 2026 | Network Solutions, LLC | REDACTED FOR PRIVACY |
| 3 | sigmaci.co.uk | 28 Jan 2014 | 28 Jan 2025 | 123-Reg Limited t/a 123-reg [Tag = 123-REG] | - |
| 4 | sigmaai.solutions | 21 Aug 2024 | 21 Aug 2025 | NameCheap, Inc. | Privacy service provided by Withheld for Privacy ehf |
| 5 | sigmaxg.com | 15 Oct 2014 | 15 Oct 2024 | Metaregistrar BV | REDACTED FOR PRIVACY |
| 6 | sigmami.uk | 8 Jun 2020 | 8 Jun 2025 | Tucows Inc t/a Tucows [Tag = TUCOWS-CA] | - |
| 7 | simmaxi.com | 19 May 2024 | 19 May 2025 | PDR Ltd. d/b/a PublicDomainRegistry.com | - |
| 8 | sigmaxl.org | 18 Jan 2006 | 18 Jan 2027 | Network Solutions, LLC | Sigma XL |
| 9 | sigmaxl.tel | 3 Feb 2009 | 22 Mar 2027 | Network Solutions, LLC | Sigma XL |
| 10 | rigmaxi.com | 20 Feb 2022 | 20 Feb 2025 | GoDaddy.com, LLC | - |
| 11 | sigmaoi.com | 27 Mar 2024 | 27 Mar 2025 | DYNADOT LLC | Super Privacy Service LTD c/o Dynadot |
| 12 | sigmapi.co.jp | 18 Sep 1997 | - | - | SHIGMA P.I. CO.,LTD. |
| 13 | sigma-i.net | 9 Apr 2020 | 9 Apr 2025 | PSI-USA, Inc. dba Domain Robot | S-i |
| 14 | sigma-i.com | 15 Jan 2024 | 15 Jan 2025 | Network Solutions, LLC | - |
| 15 | sigmagi.it | 21 Apr 2000 | 28 Mar 2025 | Register S.p.a. | Sigma Gi Spa |
| 16 | sigmafi.org | 30 Apr 2021 | 30 Apr 2025 | Squarespace Domains II LLC | REDACTED FOR PRIVACY |
| 17 | sigmati.net | 28 Jan 2008 | 28 Jan 2025 | ENOM, INC. | Whois Privacy Protection Service, Inc. |
| 18 | sibmaxi.ru | 19 Sep 2023 | 19 Sep 2025 | RU-CENTER-RU | Private Person |
| 19 | sigmaui.com | 2 Oct 2024 | 2 Oct 2027 | BigRock Solutions Ltd | - |
| 20 | sigmafi.exchange | 24 Aug 2022 | 24 Aug 2025 | GoDaddy.com, LLC | Domains By Proxy, LLC |
| 21 | sigmaxl.mobi | 14 Oct 2007 | 14 Oct 2024 | IONOS SE | SigmaXL |
| 22 | sigmaxu.com | 9 Dec 2021 | 9 Dec 2031 | Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn) | - |
| 23 | sigmaxs.com | 15 Jan 2012 | 14 Jan 2026 | Eurodns S.A. | EG Danmark A/S |
| 24 | signmaxi.org | 25 Dec 2023 | 25 Dec 2024 | Tucows Domains Inc. | Contact Privacy Inc. Customer 0169701744 |
| 25 | sigmapi.ovh | 25 Jan 2021 | 25 Jan 2025 | OVH | REDACTED_FOR_PRIVACY |
| 26 | sigmafi.co.uk | 6 May 2011 | 6 May 2025 | 123-Reg Limited t/a 123-reg [Tag = 123-REG] | - |
| 27 | sigmapi.org.uk | 3 Dec 2009 | 3 Dec 2024 | Claranet Limited [Tag = CLARANET] | - |
| 28 | sigmaxia.com | 13 Feb 2024 | 13 Feb 2025 | NAMECHEAP INC | Privacy service provided by Withheld for Privacy ehf |
| 29 | sigmafi.uk | 10 Jun 2014 | 10 Jun 2025 | 123-Reg Limited t/a 123-reg [Tag = 123-REG] | - |
| 30 | sigmaxim.com | 5 Jul 2002 | 5 Jul 2025 | IONOS SE | 1&1 Internet Inc |
| 31 | sigmafi.app | 23 Jan 2023 | 23 Jan 2025 | Name.com, Inc. | Domain Protection Services, Inc. |
| 32 | sigmapi.net | 2 Sep 2019 | 2 Sep 2029 | GoDaddy.com, LLC | - |
| 33 | sigmafi.com | 6 May 2011 | 6 May 2025 | 123-Reg Limited | - |
| 34 | sigmaxe.com | 28 Nov 2009 | 28 Nov 2025 | Tucows Domains Inc. | - |
| 35 | sigmaxl.net | 1 Feb 2007 | 1 Feb 2025 | IONOS SE | SigmaXL |
| 36 | sigmaxx.com | 9 Feb 2018 | 9 Feb 2025 | Dynadot Inc | - |
| 37 | sigmaxy.com | 17 Jul 2022 | 17 Jul 2025 | SAV.COM, LLC | REDACTED FOR PRIVACY |
| 38 | sigmabi.com.co | 22 Aug 2019 | 22 Aug 2025 | GoDaddy.com, LLC | Domains By Proxy, LLC |
| 39 | sigmagi.com | 26 Mar 2000 | 26 Mar 2025 | Tucows Domains Inc. | - |
| 40 | sigmaai.com | 5 Jul 2016 | 5 Jul 2025 | Spaceship, Inc. | Haris Memon |
| 41 | sigmaxl.com | 25 May 2002 | 25 May 2029 | Network Solutions, LLC | - |
| 42 | sigmaai.co.uk | 28 Jul 2023 | 28 Jul 2024 | Ionos SE [Tag = 1AND1] | - |
| 43 | sigmami.com | 13 Nov 2008 | 13 Nov 2024 | REALTIME REGISTER B.V. | REDACTED FOR PRIVACY |
| 44 | sigmapi.co.uk | 22 Mar 2020 | 22 Mar 2026 | 20i Ltd [Tag = STACK] | - |
| 45 | sigmari.com | 17 Aug 2018 | 17 Aug 2025 | NAMECHEAP INC | Privacy service provided by Withheld for Privacy ehf |
| 46 | sigmax.nl | 1 May 1998 | - | Registrar.eu | - |
| 47 | sigmax.llc | 12 Sep 2023 | 12 Sep 2025 | GoDaddy.com, LLC | Domains By Proxy, LLC |
| 48 | sigmax.co.uk | 28 May 2021 | 28 May 2025 | Stenning Limited t/a Client Domain Management [Tag = DOF] | - |
| 49 | sigmai.xyz | 2 Mar 2024 | 2 Mar 2025 | CHENGDU WEST DIMENSION DIGITAL TECHNOLOGY CO., LTD. | - |
| 50 | sigmax.ltd | 8 Jun 2018 | 8 Jun 2033 | Tucows Domains Inc. | Data Protected |
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 |
|---|---|---|---|---|
| 5,000 API Credits | 5,000 | $25 | $5.00 | Buy Now |
| 25,000 API Credits | 25,000 | $100 | $4.00 | Buy Now |
| 250,000 API Credits | 250,000 | $750 | $3.00 | Buy Now |
| 1 Million API Credits Most Popular | 1,000,000 | $2,000 | $2.00 | Buy Now |
| 10 Million API Credits | 10,000,000 | $10,000 | $1.00 | Buy Now |
API Credits you purchase have lifetime validity, and you may use it whenever you wish. We accept Visa, Mastercard, American Express, Discover, Diners Club, JCB and China UnionPay. Popular payment wallets like Apple Pay, Google Pay, Alipay, WeChat Pay & Cash App Pay are accepted. You can also pay in installments through Buy Now, Pay Later (Affirm, Afterpay, Clearpay, Klarna) services. For orders worth $1000 and higher, you can also pay through Bank Wire Transfer (ACH, Fedwire and SWIFT). We also accept crypto payments through Bitcoin, Ethereum, Tether, Binance, Ripple and 100+ Cryptocurrencies.
Fuzzy Domains Finder
Find domains that look and sound exactly like your domain through our free Fuzzy Domains Finder tool.
Our Current WHOIS Database contains the latest WHOIS of over 267 Million active domain names, that are currently registered. This powers our Fuzzy Domains API, which lets you quickly find all the domains that look and sound like your domain name.