Automatic security check · Public OSINT only
Company website
university.redis.io security check
Public OSINT valuation for university.redis.io: grade B (79/100). Title signal “Flockjay”. 6 security headers present, 2 commonly expected headers missing. This is a defensive surface review — not a penetration test.
79
/100
Grade B
- 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.
How we scored university.redis.io
Positive signals
- TLS handshake OK (TLSv1.3).
- HTTP Strict Transport Security is present.
- DNS resolves publicly (A/AAAA).
- robots.txt is publicly available.
- Final HTTP status 200 at https://university.redis.io/.
Risk signals
- Content-Security-Policy not observed.
Findings
- TLS handshake OK (TLSv1.3).
- HTTP Strict Transport Security is present.
- Content-Security-Policy not observed.
- DNS resolves publicly (A/AAAA).
- robots.txt is publicly available.
- Final HTTP status 200 at https://university.redis.io/.
Technical details
DNS
resolved- A
- 54.192.35.35, 54.192.35.48, 54.192.35.115, 54.192.35.106
- AAAA
- 2600:9000:2130:400:6:a1e6:7dc0:93a1, 2600:9000:213f:600:6:a1e6:7dc0:93a1, 2600:9000:213f:3c00:6:a1e6:7dc0:93a1, 2600:9000:213f:d200:6:a1e6:7dc0:93a1, 2600:9000:213f:bc00:6:a1e6:7dc0:93a1, 2600:9000:2130:3200:6:a1e6:7dc0:93a1, 2600:9000:213f:8e00:6:a1e6:7dc0:93a1, 2600:9000:2130:8600:6:a1e6:7dc0:93a1
- PTR
- server-54-192-35-35.fra56.r.cloudfront.net
- error
- —
TLS / certificate
ok- version
- TLSv1.3
- cipher
- TLS_AES_128_GCM_SHA256
- issuer
- Amazon
- notAfter
- Jan 28 23:59:59 2027 GMT
- SAN sample
- *.university.redis.io, university.redis.io
- error
- —
HTTP & security headers
6 present- finalUrl
- https://university.redis.io/
- status
- 200
- server
- AmazonS3
- x-powered-by
- —
- present
- cross-origin-opener-policy, cross-origin-resource-policy, permissions-policy, referrer-policy, strict-transport-security, x-content-type-options
- missing
- content-security-policy, x-frame-options
- cookie Secure
- False
- cookie HttpOnly
- False
Tech fingerprint (public)
passive- title
- Flockjay
- generator
- —
- tech
- —
- script hosts
- x
- description
- Join millions and learn to build fast apps, fast. Explore courses and learning journeys from foundational skills to advanced use cases.
RDAP / registration
unavailable- domain
- redis.io
- registrar
- —
- created
- —
- expires
- —
- nameservers
- —
- status
- —
- error
- HTTP Error 404: Not Found
Public well-known
passive- /.well-known/security.txt
- HTTP 404
- /robots.txt
- HTTP 200 · found
- /security.txt
- HTTP 404