Visit website
Amazon Route 53
Hosting
Fastly
Google Workspace
Location
United States
Learn online and advance your career with courses in programming, data science, artificial intelligence, digi…
Website profiles · Technology insights · Alternatives
khanacademy.org
Paid content
Categories: Education & Learning
Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.
Updated: 2026-09-01 08:55
Language: English (default)
Access: Normal
Profile views 15
Outbound visits 9
Website Overview
Limited stack disclosure and few obvious backend markers suggest a more restrained public footprint. That reduces easy fingerprinting clues but is not proof of overall security. An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality.
Domain and Registration
Registered in 2006, this domain has about 20 years of history. That suggests continuity, although ownership and purpose may have changed. Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The registrar is GoDaddy.com, LLC, a widely used domain service provider. The domain uses the common .org extension, which is not an independent safety signal.
DNS and Email
The lowest TTL is 33 seconds, supporting rapid record changes at the cost of more frequent lookups. Nameservers are provided by Amazon Route 53, indicating managed DNS hosting. DNS and provider evidence indicate traffic passes through the Fastly CDN, which may support caching and traffic distribution. MX records point to the Google Workspace email service. CAA records restrict which certificate authorities are authorized to issue certificates.
TLS and Certificates
The certificate issuer is GlobalSign nv-sa, a commercial certificate authority. The certificate uses an RSA 2048-bit public key, offering broad client compatibility. The server supplied a complete certificate chain. No organization name is present in the certificate; the available fields are consistent with domain validation. The certificate is valid for about 198 days in total, with 73 days remaining.
HTTP and Browser Security
The response lacks these common security headers: Referrer-Policy, Permissions-Policy. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. No obvious internal addresses or debug information were found in the headers. Cookie security attributes are unknown. No explicit CDN or WAF marker was found in the response headers.
Technology Stack Analysis
No obvious technology stack is exposed. This may reflect restrained information disclosure, although the underlying technologies remain unknown.
Search and Social Sharing
No homepage meta description was detected, leaving snippet selection more dependent on page text. No homepage canonical URL was detected. If duplicate URLs exist, consolidation may be less explicit. No Open Graph metadata was detected, so social previews may depend on platform inference. The title has 16 characters, within a common display range. The observed directives allow indexing and link following.
Hosting and Email
Pages, Search and Sharing
| Meta description | Not detected |
|---|---|
| Canonical URL | Not detected |
| Language | English (default) |
| Twitter Card | Not detected |
Unknown
robots.txt (opens in a new tab)
0 rulesNo rules found
No matching rules.
Sitemaps
0No sitemaps found
Registration details RDAP / WHOIS
| Registrar | GoDaddy.com, LLC |
|---|---|
| Registered | 2006-03-14 |
| Expires | 2029-03-14 |
| Domain status | client delete prohibited、client renew prohibited、client transfer prohibited、client update prohibited |
| Nameservers | ns-125.awsdns-15.com、ns-1489.awsdns-58.org、ns-1664.awsdns-16.co.uk、ns-798.awsdns-35.net |
| DNSSEC | unsigned |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | prod.khan.map.fastly.net | 151.101.1.42 | 33 | — |
| A | prod.khan.map.fastly.net | 151.101.129.42 | 33 | — |
| A | prod.khan.map.fastly.net | 151.101.193.42 | 33 | — |
| A | prod.khan.map.fastly.net | 151.101.65.42 | 33 | — |
| MX | khanacademy.org | aspmx.l.google.com | 300 | 1 |
| MX | khanacademy.org | alt1.aspmx.l.google.com | 300 | 5 |
| MX | khanacademy.org | alt2.aspmx.l.google.com | 300 | 5 |
| MX | khanacademy.org | aspmx2.googlemail.com | 300 | 10 |
| MX | khanacademy.org | aspmx3.googlemail.com | 300 | 10 |
| NS | khanacademy.org | ns-125.awsdns-15.com | 172800 | — |
| NS | khanacademy.org | ns-1489.awsdns-58.org | 172800 | — |
| NS | khanacademy.org | ns-1664.awsdns-16.co.uk | 172800 | — |
| NS | khanacademy.org | ns-798.awsdns-35.net | 172800 | — |
| TXT | khanacademy.org | MS=ms10049948 | 300 | — |
| TXT | khanacademy.org | ZOOM_verify_G7FwqtyEKLkoQGhA3ifQq5 | 300 | — |
| TXT | khanacademy.org | _globalsign-domain-verification=Ca9ol7KyPTrPtyGjL1BqGx_wv6SymozDmCXhHJveUr | 300 | — |
| TXT | khanacademy.org | _globalsign-domain-verification=Prrz12gznJzJiHaajX3CnPfpqK6hhLae0miMSZ_BGa | 300 | — |
| TXT | khanacademy.org | _globalsign-domain-verification=e70UZqvudGByIeilV8oO0gubBZi0P7QLakTxKub-zS | 300 | — |
| TXT | khanacademy.org | anthropic-domain-verification-4va7p1=Uuz4j8MkpGFjBjYBqvNGNuK46 | 300 | — |
| TXT | khanacademy.org | apple-domain-verification=FBF7Yx9o3htFHZ7m | 300 | — |
| TXT | khanacademy.org | botify-site-verification=sGRcFNKzIkHzx1jtsQ7YkiT8hgWB6RiU | 300 | — |
| TXT | khanacademy.org | canva-site-verification=JW5MeXNqA7ezvjIRgLOPaQ | 300 | — |
| TXT | khanacademy.org | cl_verification=a568671a-6112-4bc5-997d-1f06d8389b2e | 300 | — |
| TXT | khanacademy.org | cursor-domain-verification-dc9ngn=XEN4zLZD2K4p5yMB2JFUNxGIk | 300 | — |
| TXT | khanacademy.org | facebook-domain-verification=8kvuco8ljlv8t1aedswjypctrp1pk3 | 300 | — |
| TXT | khanacademy.org | globalsign-domain-verification=qV_5Us2mt6FO1Ig5hnG4kYHESYAxuH5-qZ0cRXC-Ig | 300 | — |
| TXT | khanacademy.org | google-site-verification=7kTMmLFa8kfzTFffAv659zZAhSvDX5lqnB_yuST-xLY | 300 | — |
| TXT | khanacademy.org | google-site-verification=BUF9CkP4-zm7sN2rDSq6NGRiEkrvvh2k3UdQxwSusrU | 300 | — |
| TXT | khanacademy.org | google-site-verification=JML6gcy7DbE1dA3JB9W4O6EB9uQ8bpOlJTyniVCgd-o | 300 | — |
| TXT | khanacademy.org | google-site-verification=Jiabx8hC-zV0E8-hAj40dHCY_oWNIvfqkNe7VFnGbCs | 300 | — |
| TXT | khanacademy.org | google-site-verification=SprWzGYoIdXdFrUCSyBhXJtHzFjE8FAQNlTamgKenhU | 300 | — |
| TXT | khanacademy.org | google-site-verification=sHrvDlgokhtbjBWsn8Dhu616EFRRv8GD0C1AU4_1gl4 | 300 | — |
| TXT | khanacademy.org | google-site-verification=y1w1HGdtmQcg92Uy4JtubYkFtDDshCwmDXTFCgjpr-Y | 300 | — |
| TXT | khanacademy.org | hibp-verify=dweb_9nibj6s7woei7t5h43qd3yni | 300 | — |
| TXT | khanacademy.org | onetrust-domain-verification=4bc2331ed4d24c81b7be278e6e1fb58b | 300 | — |
| TXT | khanacademy.org | openai-domain-verification=dv-E4EGw5ZIgYd9B3mwA3dPV5zY | 300 | — |
| TXT | khanacademy.org | spf2.0/pra include:_spf.google.com include:sendgrid.net include:aspmx.sailthru.com -all | 300 | — |
| TXT | khanacademy.org | stripe-verification=332820F9A5BCCCACBF2F5D8636496EB723C4062C9B878B8BAB77E99A2522E947 | 300 | — |
| TXT | khanacademy.org | v=spf1 include:_spf.google.com include:sendgrid.net include:aspmx.sailthru.com include:mail.zendesk.com exists:%{i}._spf.mta.salesforce.com include:mg-spf.greenhouse.io -all | 300 | — |
| TXT | khanacademy.org | yahoo-verification-key=h5B5VELNOFcyiRDJQWEiNChg+SeClI9Bk9k9daiRPR4= | 300 | — |
| CNAME | www.khanacademy.org | prod.khan.map.fastly.net | 300 | — |
| CAA | khanacademy.org | 0 iodef "mailto:[email protected]" | 300 | — |
| CAA | khanacademy.org | 0 issue "amazon.com" | 300 | — |
| CAA | khanacademy.org | 0 issue "certainly.com" | 300 | — |
| CAA | khanacademy.org | 0 issue "digicert.com" | 300 | — |
| CAA | khanacademy.org | 0 issue "globalsign.com" | 300 | — |
| CAA | khanacademy.org | 0 issue "godaddy.com" | 300 | — |
| CAA | khanacademy.org | 0 issue "letsencrypt.org" | 300 | — |
| CAA | khanacademy.org | 0 issue "pki.goog" | 300 | — |
| DMARC | _dmarc.khanacademy.org | v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected] | 2530 | — |
TLS and certificates
| Assessment | Normal configuration |
|---|---|
| Supported protocols | TLSv1.2、TLSv1.3 |
| Negotiated protocol | TLSv1.3 |
| Certificate subject | *.ar.khanacademy.org |
| Issuer | GlobalSign nv-sa |
| Valid until | 2026-11-11T17:18 · Remaining when checked: 73 days |
| Verification details | Certificate trust: Passed · Hostname match: Passed |
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html |
| cache-control | private, no-store |
| strict-transport-security | max-age=31536000; includeSubDomains; preload |
| content-security-policy | frame-ancestors 'self' https://classroom.khanacademy.org https://admin.khanacademy.org |
| x-frame-options | SAMEORIGIN |
| x-content-type-options | nosniff |
| set-cookie | Redacted |
Identified technologies
Technology stack: Unknown
Recent Updates
- Website images
Related questions
More questions →No related questions yet.
User reviews (0)