Automatic security check · Public OSINT only
Company website
https://developers.buffer.com/
developers.buffer.com security check
Public OSINT valuation for developers.buffer.com: grade C (59/100). Title signal “Buffer API”. 2 security headers present, 6 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 developers.buffer.com
Positive signals
- TLS handshake OK (TLSv1.3).
- HTTP Strict Transport Security is present.
- DNS resolves publicly (A/AAAA).
- RDAP domain record available (buffer.com).
- Final HTTP status 200 at https://developers.buffer.com/.
Risk signals
- Content-Security-Policy not observed.
- Set-Cookie present but Secure/HttpOnly incomplete on sampled header.
Findings
- TLS handshake OK (TLSv1.3).
- HTTP Strict Transport Security is present.
- Content-Security-Policy not observed.
- Set-Cookie present but Secure/HttpOnly incomplete on sampled header.
- DNS resolves publicly (A/AAAA).
- RDAP domain record available (buffer.com).
- Final HTTP status 200 at https://developers.buffer.com/.
Technical details
DNS
resolved- A
- 104.18.98.118, 104.18.99.118
- AAAA
- 2606:4700::6812:6276, 2606:4700::6812:6376
- PTR
- —
- error
- —
TLS / certificate
ok- version
- TLSv1.3
- cipher
- TLS_AES_256_GCM_SHA384
- issuer
- Let's Encrypt
- notAfter
- Jan 21 13:55:36 2027 GMT
- SAN sample
- *.buffer.com, *.dev.buffer.com, buffer.com
- error
- —
HTTP & security headers
2 present- finalUrl
- https://developers.buffer.com/
- status
- 200
- server
- cloudflare
- x-powered-by
- —
- present
- strict-transport-security, x-content-type-options
- missing
- content-security-policy, x-frame-options, referrer-policy, permissions-policy, cross-origin-opener-policy, cross-origin-resource-policy
- cookie Secure
- True
- cookie HttpOnly
- False
Tech fingerprint (public)
passive- title
- Buffer API
- generator
- —
- tech
- Cloudflare, Google Analytics
- script hosts
- www.googletagmanager.com, x, static.cloudflareinsights.com
- description
- Connect Buffer to your agents, automation tools, or build something entirely new.
Company presence (crawl links)
extracted- companyWebsite
- https://developers.buffer.com/
- serviceLinks
- none found
- socialLinks
- none found
RDAP / registration
rdap- domain
- buffer.com
- registrar
- NameCheap, Inc.
- created
- 1996-10-28T05:00:00Z
- expires
- 2027-10-27T04:00:00Z
- nameservers
- dom.ns.cloudflare.com, tess.ns.cloudflare.com
- status
- client transfer prohibited
- error
- —
Public well-known
passive- /.well-known/security.txt
- HTTP 404
- /robots.txt
- HTTP 404
- /security.txt
- HTTP 404