Overview
Findings
Actions
Details
Related
AI-Generated Summary
What this means
scienceexchange.com scored 90/100, demonstrating a strong security posture. No material issues found.
Critical gaps in: Security Headers. Positive signals: DNS Configuration, TLS Configuration, Known Breaches all passed.
1 action item identified, including 0 critical. The issues are configuration gaps, not architectural problems. A focused remediation effort of 2–5 days could address all findings.
How scienceexchange.com compares
Grade distribution across 2378 companies we've scanned. scienceexchange.com scores better than 89% of them.
71
A+
22
A
180
A-
181
B+
69
B
333
B-
111
C+
111
C
295
C-
110
D+
92
D
216
D-
587
F
scienceexchange.com — Grade A- (90/100)
2378 companies scanned
Security checks
Each check inspects a different part of scienceexchange.com's public security setup. Green means healthy, yellow needs attention, red is a problem.
Security Headers
Only 2/5 security headers present. Missing: X-Content-Type-Options, X-Frame-Options, Permissions-Policy. This exposes the application to clickjacking, MIME-sniffing, and other client-side attacks.
DNS Configuration
Strengths: 2 nameservers configured (daisy.ns.cloudflare.com., ed.ns.cloudflare.com.); 5 MX records present; DNSSEC enabled; Zone transfers properly restricted.
Known Breaches
No known breaches found in public disclosure databases.
TLS Configuration
TLSv1.3 negotiated with TLS_AES_256_GCM_SHA384 (256-bit). Strong configuration with no deprecated protocols or weak ciphers detected.
DMARC / Email Security
Strengths: DMARC policy set to reject (strongest); SPF record present with hard-fail (-all); DKIM configured (selectors: google).
HSTS Header
HSTS enabled: max-age=31536000. Missing includeSubDomains. Missing preload directive.
CVE Exposure
Detected technologies: cloudflare. (cloudflare detected but excluded from CVE matching — upstream infrastructure). All detected technologies are upstream CDN/proxy infrastructure. No application-level software versions exposed.
Certificate Hygiene
Strengths: Certificate valid, 86 days remaining; Issued by Let's Encrypt.
Recommended actions
1 item
Steps to improve scienceexchange.com's security grade, ranked by impact.
1
Add missing security headers (X-Content-Type-Options, X-Frame-Options, Permissions-Policy)
3 of 5 recommended security headers are missing on scienceexchange.com: X-Content-Type-Options, X-Frame-Options, Permissions-Policy. These headers protect against clickjacking, MIME-sniffing, and unauthorized browser feature access. Adding them is a server configuration change with no application code changes required.
Compliance impact
PCI-DSS 4.0Req 6.4.1
Security headers are required application controls
OWASPSecure Headers
Recommended baseline for web applications
How to fix this
1
Add: X-Content-Type-Options: nosniff
2
Add: X-Frame-Options: DENY (or SAMEORIGIN if you use iframes)
3
Add: Permissions-Policy: camera=(), microphone=(), geolocation=()
4
Verify with: curl -sI https://scienceexchange.com | grep -iE 'content-security|x-frame|x-content|referrer|permissions'
At a glance
Key data points from the scan.
TLS Version
TLSv1.3
TLSv1.3 negotiated with TLS_AES_256_GCM_SHA384 (256-bit). Strong configuration with no deprecated protocols or weak ciphers detected.
DMARC Policy
p=reject
Strengths: DMARC policy set to reject (strongest); SPF record present with hard-fail (-all); DKIM configured (selectors: google).
SPF Record
Present
v=spf1 a include:_spf.google.com include:_spf.intacct.com include:_spf.salesforce.com include:aspmx.
Security Headers
2/5 present
Missing: X-Content-Type-Options, X-Frame-Options, Permissions-Policy
HSTS
Enabled
HSTS enabled: max-age=31536000. Missing includeSubDomains. Missing preload directive.
SSL Certificate
Valid
Strengths: Certificate valid, 86 days remaining; Issued by Let's Encrypt.
DNSSEC
Enabled
Strengths: 2 nameservers configured (daisy.ns.cloudflare.com., ed.ns.cloudflare.com.); 5 MX records present; DNSSEC enabled; Zone transfers properly restricted.