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fireship.dev 200
🔒 SSL Valid
HTTP Status A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
200
SSL Expires When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 57d
Domain Expires When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 259d
Hosting The company and location where this website's server is physically located.Read more →
Unknown
Security Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
1/3
IP Address The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
216.150.1.1
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
N/A
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
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Performance data not available yet.
Tech Stack Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 3
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⚙️ Framework
Next.js
☁️ Hosting
Vercel
⚡ JS Framework
React
Screenshot
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DNS Records DNS translates domain names to IP addresses. Records control where the site, email, and services are directed.Read more →
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| A (IPv4) | 216.150.1.1 |
| NS | jasmine.ns.cloudflare.comgraham.ns.cloudflare.com |
| MX | 1 aspmx.l.google.com10 alt3.aspmx.l.google.com10 alt4.aspmx.l.google.com5 alt1.aspmx.l.google.com5 alt2.aspmx.l.google.com |
| TXT (3) |
Services configured via TXT:
Google
+1 other TXT record(s)
Show all TXT recordsfirebase=uidotdev google-site-verification=2Y6C5KHRC5stPdqNXntHBYw62G12BRjaSkcWt6c4GiA v=spf1 include:_spf.firebasemail.com ~all |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
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| Registrar | Squarespace Domains II LLC. |
| Registered | 2019-07-05 |
| Expires | 2027-07-05 (in 259 days) |
| Last Updated | 2026-06-25 |
| Status | client delete prohibitedclient transfer prohibited |
SSL Certificate Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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| Subject (CN) | fireship.dev |
| Issuer | Let's Encrypt |
| Valid From | 2026-09-16 |
| Valid Until | 2026-12-15 (57 days left) |
| SANs (1) | fireship.dev |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | 200 |
| Server | Vercel |
| Content-Type | text/html; charset=utf-8 |
| Final URL | https://fireship.dev/ |
| strict-transport-security | max-age=63072000 |
| cache-control | public, max-age=0, must-revalidate |
Security headers HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
Hosting Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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| IP Address | 216.150.1.1 |
| Provider | Unknown |
| Organization | N/A |
| ASN | N/A |
| Location | N/A |
Security Score
F (2/7)
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Sitemap & Robots
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Open to search engines
This site's robots.txt lets crawlers access its main content. Search engines can index it normally.
No paths are disallowed — everything is crawlable.
| Sitemap | Found 1 sitemaps (index) pages |
Social & Meta Tags
Complete
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| Title | Fireship | JavaScript, but fun. |
| Description | We help JavaScript developers make more money - and enjoy themselves in the process. |
| OG Title | Fireship | JavaScript, but fun. |
| OG Description | We help JavaScript developers make more money - and enjoy themselves in the process. |
| OG Image | https://fireship.dev/images/default-og-image.jpg |
| OG Type | website |
| OG Site Name | Fireship |
| Twitter Card | summary_large_image |
| Canonical URL | https://fireship.dev/ |
Mail Security Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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| SPF | ✓ Present v=spf1 include:_spf.firebasemail.com ~all |
| DMARC | ✓ Present v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; sp=reject; aspf=r; |
| MX Records | 1 → aspmx.l.google.com 10 → alt3.aspmx.l.google.com 10 → alt4.aspmx.l.google.com 5 → alt1.aspmx.l.google.com 5 → alt2.aspmx.l.google.com |
Other TLDs Other top-level domain variants of this domain name and their availability. 6 active 3 for sale 14 available
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Uptime Monitor
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Not checked yet — data will appear after the first monitoring run.