reactjs.org
React
reactjs.org is registered with Key-Systems GmbH since May 30, 2013 (13.4 years). The registration expires on May 30, 2028. The site runs on Next.js, React, Google Analytics 4 and 5 other technologies. Its email security grade is D. Its SSL certificate is issued by Let's Encrypt and is valid for 35 more days.
- Domain age
- 13.4 yrs
- Technologies
- 8
- Email security
- D
- SSL days left
- 35
Registration
| Registrar | Key-Systems GmbH |
|---|---|
| IANA ID | 269 |
| Registered | May 30, 2013 |
| Expires | May 30, 2028 |
| Updated | August 12, 2026 |
| Status | client transfer prohibited |
| Name servers | hattie.ns.cloudflare.com, junade.ns.cloudflare.com |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 76.76.21.21 | 300 |
| NS | hattie.ns.cloudflare.com | 86400 |
| NS | junade.ns.cloudflare.com | 86400 |
| CAA | issue 0 comodoca.com | 3600 |
| CAA | issue 0 digicert.com; cansignhttpexchanges=yes | 3600 |
| CAA | issue 0 letsencrypt.org | 3600 |
| CAA | issue 0 pki.goog; cansignhttpexchanges=yes | 3600 |
| CAA | issue 0 ssl.com | 3600 |
| CAA | issuewild 0 comodoca.com | 3600 |
| CAA | issuewild 0 digicert.com; cansignhttpexchanges=yes | 3600 |
| CAA | issuewild 0 letsencrypt.org | 3600 |
| CAA | issuewild 0 pki.goog; cansignhttpexchanges=yes | 3600 |
| CAA | issuewild 0 ssl.com | 3600 |
| TXT | google-site-verification=8cSSWOK5msv3tzIFqXSvcb-KzSdG_E9g_H0bLIKhcWE | 300 |
| TXT | google-site-verification=phixj4WdeUCjzqWQjOkCLkD8y6oeiJbqnCihojcYOWA | 300 |
| TXT | v=spf1 include:spf.mandrillapp.com include:sparkpostmail.com ~all | 300 |
Technology stack
Analytics and advertising IDs
google_analytics:G-B1E83PJ3RTOther sites using the same IDs: react.dev
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, YR2, Let's Encrypt |
| Expires | December 15, 2026 |
| Days remaining | 35 |
| Protocol | TLSv1.3 |
| Names | reactjs.org |
Email security
- badNo DMARC record. Receivers have no instructions for mail that fails SPF and DKIM, and you get no reports about who sends as your domain.
- warnDKIM key found (selector: mandrill) but it is only 1024 bits; 2048 is recommended.
- warnNo MX records: this domain cannot receive email.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- goodSPF record found.
- goodSPF ends with ~all: servers you have not listed are marked as suspicious (soft fail).
Homepage metadata
| Title | React |
|---|---|
| Description | React is the library for web and native user interfaces. Build user interfaces out of individual pieces called components written in JavaScript. React is designed to let you seamlessly combine components written by independent people, teams, and organizations. |
| Language | en |
| Canonical | https://react.dev/ |
| Indexable | Yes |
| Word count | 1234 |
About reactjs.org
Who is the registrar of reactjs.org?
reactjs.org is registered with Key-Systems GmbH (IANA ID 269).
When does reactjs.org expire?
The current registration of reactjs.org expires on May 30, 2028. It was first registered on May 30, 2013.
What technology does reactjs.org use?
We detected 8 technologies on reactjs.org, including Google Analytics 4, Vercel, Next.js, React, Node.js, Algolia.
Does reactjs.org protect its email with SPF and DMARC?
reactjs.org scores 50/100 (grade D) for email security. No DMARC record. Receivers have no instructions for mail that fails SPF and DKIM, and you get no reports about who sends as your domain. DKIM key found (selector: mandrill) but it is only 1024 bits; 2048 is recommended.
What are the name servers of reactjs.org?
reactjs.org uses hattie.ns.cloudflare.com, junade.ns.cloudflare.com.