🌐
firefox.com 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 51d
Domain Expires When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
N/A
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 →
3/3
IP Address The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
35.190.14.201
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
100%
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. 1
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⚡ Cache
Varnish
Screenshot
Processing...
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⏳
Screenshot is being captured...
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) | 35.190.14.201 |
| AAAA (IPv6) | 2600:1901::c197:0:0:0:0 |
| NS | ns5-65.akam.netns7-66.akam.netns1-240.akam.netns4-64.akam.net |
| MX | 1 smtp.google.com |
| TXT (8) |
Services configured via TXT:
Google2
Facebook / Meta
Google Workspace
+3 other TXT record(s)
Show all TXT recordskr1887r7cjn94rzlgp1bpnj8v94wd3mg 3mjnbdj3h9wpslgz0gfly0pbr94wd12y google-gws-recovery-domain-verification=70476672 v=spf1 mx a include:amazonses.com include:mail.zendesk.com include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email -all _vrrc3v9222jxd6yhvt728lc4om6z0ff google-site-verification=NZ6YuiV9PaFX7rWqXJZxDpunitn7M8mtlnoaN2Z8Dcs google-site-verification=ZqFMUZ8Gzf13U_nchwvBgRE_sRAxAR5xLz-X5w4BU4s facebook-domain-verification=wcer1w80xkwrzqftwc3shhkel9ys8m |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
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| Registrar | N/A |
| Registered | N/A |
| Expires | N/A |
| Last Updated | N/A |
SSL Certificate Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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| Subject (CN) | firefox.com |
| Issuer | Let's Encrypt |
| Valid From | 2026-09-08 |
| Valid Until | 2026-12-07 (51 days left) |
| SANs (1) | firefox.com |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | 200 |
| Server | granian |
| Content-Type | text/html; charset=utf-8 |
| Final URL | https://www.firefox.com/ |
| strict-transport-security | max-age=31536000 |
| content-security-policy | form-action 'self' https://accounts.firefox.com/ https://basket.mozilla.org; media-src 'self' assets.mozilla.net videos.cdn.mozilla.net www.firefox.com www.mozilla.org; upgrade-insecure-requests; default-src 'self' www.firefox.com; base-uri 'none'; connect-src 'self' *.analytics.google.com *.google-analytics.com *.googletagmanager.com analytics.google.com basket.mozilla.org google-analytics.com googletagmanager.com gtm.firefox.com https://accounts.firefox.com/ https://basket.mozilla.org https://gtm.firefox.com o1069899.ingest.sentry.io o1069899.ingest.us.sentry.io o1069899.sentry.io pa.firefox.com www.firefox.com; img-src 'self' *.google-analytics.com *.googletagmanager.com data: google-analytics.com googletagmanager.com https://gtm.firefox.com www.firefox.com www.mozilla.org; style-src 'self' www.firefox.com; frame-ancestors 'none'; script-src 'self' 'unsafe-eval' 'unsafe-inline' *.google-analytics.com *.googletagmanager.com google-analytics.com googletagmanager.com https://gtm.firefox.com pa.firefox.com s.ytimg.com tagmanager.google.com www.firefox.com www.youtube.com; font-src 'self' www.firefox.com; frame-src 'self' accounts.firefox.com https://gtm.firefox.com www.google-analytics.com www.googletagmanager.com www.youtube-nocookie.com www.youtube.com; object-src 'none' |
| x-frame-options | DENY |
| x-content-type-options | nosniff |
| referrer-policy | strict-origin-when-cross-origin |
| cache-control | max-age=600 |
| x-cache | MISS, HIT |
| via | 1.1 google, 1.1 varnish, 1.1 varnish |
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 | 35.190.14.201 |
| Provider | Unknown |
| Organization | N/A |
| ASN | N/A |
| Location | N/A |
Security Score
A (6/7)
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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.
Areas hidden from crawlers:
Other paths
1
Show raw disallow rules (1)
/*/etc/
| Sitemap | Found 88 sitemaps (index) pages |
Social & Meta Tags
Complete
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| Title | Get Firefox for desktop and mobile — Firefox.com |
| Description | Firefox is a free web browser backed by Mozilla, a non-profit dedicated to internet health and privacy. |
| OG Title | Get Firefox for desktop and mobile |
| OG Description | Firefox is a free web browser backed by Mozilla, a non-profit dedicated to internet health and privacy. |
| OG Image | https://www.firefox.com/media/img/firefox/flare/og.4d50d9b1674b.png |
| OG Type | website |
| OG Site Name | Firefox |
| Twitter Card | summary_large_image |
| Language | en |
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 mx a include:amazonses.com include:mail.zendesk.com include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email -all |
| DMARC | ✓ Present v=DMARC1; p=reject; adkim=r; aspf=r; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected] |
| MX Records | 1 → smtp.google.com |
Other TLDs Other top-level domain variants of this domain name and their availability. 19 active 4 for sale
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Uptime Monitor
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| Current Status | 🟢 Online |
| HTTP Status | 200 |
| Response Time | 312ms |
| Last Checked | 2026-10-17 03:45:02.212267 |
| Uptime (30d) | 100% |
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