🌐 khanacademy.fr ⚠ SSL Issue
Checked: just now 🔗 Visit site
HTTP Status ?A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
N/A
SSL Expires ?When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
N/A
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 340d
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 →
0/3
IP Address ?The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
217.160.0.244
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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Desktop
95
Score
62
Accessibility
67
Best Practices
91
SEO
LCP 1.42s
CLS 0.004
FCP 0.70s
TBT 25ms
SI 1.05s
Checked: 2026-09-04 07:22:51.885329 · View on PageSpeed
🛠️ Tech Stack ?Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools.
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No technologies detected

📸 Screenshot 2026-09-02
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Screenshot of khanacademy.fr
Captured: 2026-09-02 16:04:12 · 2.8 KB
🌐 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)217.160.0.244
AAAA (IPv6)2001:8d8:100f:f000::249
NSns1020.ui-dns.orgns1040.ui-dns.bizns1063.ui-dns.comns1045.ui-dns.de
MX10 mx01.ionos.fr10 mx00.ionos.fr
TXT (1)
v=spf1 include:_spf-eu.ionos.com ~all
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarIONOS SE
Registered2010-09-26
Expires2027-09-26 (in 340 days)
Last Updated2026-09-26
Statusactiveauto renew period
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Invalid / Missing
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Subject (CN)N/A
IssuerN/A
Valid FromN/A
Valid UntilN/A
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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StatusN/A
ServerN/A
Content-TypeN/A
Final URLhttps://khanacademy.fr/
Security headers ?HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
HSTS
Content-Security-Policy
X-Frame-Options
🏠 Hosting ?Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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IP Address217.160.0.244
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score F (0/7)
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Valid SSL
HSTS
CSP
X-Frame-Options
X-Content-Type
Referrer-Policy
Permissions-Policy
🗺️ Sitemap & Robots
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No robots.txt
This site has no robots.txt file, so crawlers may access everything by default.
Sitemap Not found
🔗 Social & Meta Tags
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No meta tags detected.

📧 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-eu.ionos.com ~all
DMARC✓ Present
v=DMARC1; p=none;
MX Records
10 → mx01.ionos.fr
10 → mx00.ionos.fr
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 15 active 8 available
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.com ●
.net ●
.org ●
.info Available
.io ●
.co ●
.dev ●
.app ●
.me Available
.biz Available
.eu ●
.xyz ●
.fi Available
.se Available
.de ●
.uk ●
.fr current
.nl ●
.es ●
.it Available
.us ●
.ca Available
.com.au Available
.co.uk ●
📡 Uptime Monitor
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Current Status 🟢 Online
HTTP Status 200
Response Time 286ms
Last Checked 2026-10-19 15:46:34.224404
Uptime (30d) 100%