Automatic security check · Public OSINT only
Company website
learn.github.com security check
Public OSINT valuation for learn.github.com: grade C (56/100). Title signal “GitHub Learn”. 0 security headers present, 8 commonly expected headers missing. This is a defensive surface review — not a penetration test.
Caution advised
Mixed public signals. Review missing headers, domain age, and independent reputation before trusting it. Passive OSINT only · inventKeys=false.
- High concern
- Elevated risk
- Caution advised
- Trusted — verify
- Strong protections
Company website · Services · Social
Company website
Services & products
- No service or product links found on the scanned pages.
Social & LinkedIn
- No social or LinkedIn company links found on the scanned pages.
Links are extracted from public crawl HTML only. We never invent profiles or product pages.
Research engines · Complete scan
This complete report delivers web-check-class passive modules to customers — DNS, TLS, headers, mail auth, archives, CT logs and more — researched in the spirit of Lissy93/web-check. Port scan, traceroute and Shodan stay off by policy. Run a live check on the security-check tool for the full interactive dashboard.
Connect this report to your website
Add a free badge that links visitors to this official Wordle security report. You get referral traffic and a backlink; customers can verify the dossier.
Trustpilot · Glassdoor
How we scored learn.github.com
Positive signals
- TLS handshake OK (TLSv1.3).
- DNS resolves publicly (A/AAAA).
- security.txt found (coordinated disclosure signal).
- robots.txt is publicly available.
- RDAP domain record available (github.com).
- Final HTTP status 200 at https://learn.github.com/.
Risk signals
- HSTS header missing on the final HTTPS response.
- Content-Security-Policy not observed.
- X-Content-Type-Options missing.
Findings
- TLS handshake OK (TLSv1.3).
- HSTS header missing on the final HTTPS response.
- Content-Security-Policy not observed.
- X-Content-Type-Options missing.
- DNS resolves publicly (A/AAAA).
- security.txt found (coordinated disclosure signal).
- robots.txt is publicly available.
- RDAP domain record available (github.com).
- Final HTTP status 200 at https://learn.github.com/.
Technical details
DNS
resolved- A
- 140.82.113.21
- AAAA
- —
- PTR
- lb-140-82-113-21-iad.github.com
- error
- —
TLS / certificate
ok- version
- TLSv1.3
- cipher
- TLS_AES_128_GCM_SHA256
- issuer
- Sectigo Limited
- notAfter
- Jan 5 23:59:59 2027 GMT
- SAN sample
- *.github.com, github.com
- error
- —
HTTP & security headers
0 present- finalUrl
- https://learn.github.com/
- status
- 200
- server
- github.com
- x-powered-by
- —
- present
- —
- missing
- strict-transport-security, content-security-policy, x-content-type-options, x-frame-options, referrer-policy, permissions-policy, cross-origin-opener-policy, cross-origin-resource-policy
- cookie Secure
- False
- cookie HttpOnly
- False
Tech fingerprint (public)
passive- title
- GitHub Learn
- generator
- —
- tech
- React
- script hosts
- x
- description
- GitHub Learn
Company presence (crawl links)
extracted- companyWebsite
- https://learn.github.com/
- serviceLinks
- none found
- socialLinks
- none found
RDAP / registration
rdap- domain
- github.com
- registrar
- MarkMonitor Inc.
- created
- 2007-10-09T18:20:50Z
- expires
- 2028-10-09T18:20:50Z
- nameservers
- dns1.p08.nsone.net, dns2.p08.nsone.net, dns3.p08.nsone.net, dns4.p08.nsone.net, ns-1283.awsdns-32.org, ns-1707.awsdns-21.co.uk, ns-421.awsdns-52.com, ns-520.awsdns-01.net
- status
- client delete prohibited, client transfer prohibited, client update prohibited
- error
- —
Public well-known
passive- /.well-known/security.txt
- HTTP 200 · found
- /robots.txt
- HTTP 200 · found
- /security.txt
- HTTP 200 · found