react.dev
React
react.dev is registered with Key-Systems LLC since February 20, 2019 (7.7 years). The registration expires on February 20, 2028. The site runs on Next.js, React, Google Analytics 4 and 5 other technologies. Its email security grade is F. Its SSL certificate is issued by Let's Encrypt and is valid for 65 more days.
- Domain age
- 7.7 yrs
- Technologies
- 8
- Email security
- F
- SSL days left
- 65
Registration
| Registrar | Key-Systems LLC |
|---|---|
| IANA ID | 1345 |
| Registered | February 20, 2019 |
| Expires | February 20, 2028 |
| Updated | July 8, 2026 |
| Status | client transfer prohibited |
| Name servers | hattie.ns.cloudflare.com, junade.ns.cloudflare.com |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 66.33.60.34 | 79 |
| A | 76.76.21.164 | 79 |
| NS | hattie.ns.cloudflare.com | 86400 |
| NS | junade.ns.cloudflare.com | 86400 |
| TXT | google-site-verification=a5RC7LuUuYSWBrPBwybnA2bPZSh4aYEDbYEg7O4t9l4 | 300 |
Technology stack
Analytics and advertising IDs
google_analytics:G-B1E83PJ3RTOther sites using the same IDs: reactjs.org
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, YR1, Let's Encrypt |
| Expires | January 14, 2027 |
| Days remaining | 65 |
| Protocol | TLSv1.3 |
| Names | react.dev |
Email security
- badNo SPF record. Anyone can send email that claims to come from react.dev. Domains that send no email should publish "v=spf1 -all".
- 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.
- warnNo DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
- warnNo MX records: this domain cannot receive email.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
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 react.dev
Who is the registrar of react.dev?
react.dev is registered with Key-Systems LLC (IANA ID 1345).
When does react.dev expire?
The current registration of react.dev expires on February 20, 2028. It was first registered on February 20, 2019.
What technology does react.dev use?
We detected 8 technologies on react.dev, including Google Analytics 4, Vercel, Next.js, React, Node.js, Algolia.
Does react.dev protect its email with SPF and DMARC?
react.dev scores 15/100 (grade F) for email security. No SPF record. Anyone can send email that claims to come from react.dev. Domains that send no email should publish "v=spf1 -all". 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.
What are the name servers of react.dev?
react.dev uses hattie.ns.cloudflare.com, junade.ns.cloudflare.com.