Overview
Findings
Actions
Details
Related
AI-Generated Summary
What this means
brex.com scored 92/100, demonstrating a strong security posture. Minor improvements are noted below.
Positive signals: Known Breaches, TLS Configuration, DMARC / Email Security all passed.
2 action items 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 brex.com compares
Grade distribution across 2378 companies we've scanned. brex.com scores better than 92% 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
brex.com — Grade A- (92/100)
2378 companies scanned
Security checks
Each check inspects a different part of brex.com's public security setup. Green means healthy, yellow needs attention, red is a problem.
DNS Configuration
Strengths: 4 nameservers configured (ns-1769.awsdns-29.co.uk., ns-395.awsdns-49.com., ns-598.awsdns-10.net., ns-1363.awsdns-42.org.); 5 MX records present; Zone transfers properly restricted. Issues: DNSSEC not configured — DNS responses can be spoofed.
Security Headers
3/5 security headers present. Missing: X-Frame-Options, Permissions-Policy.
TLS Configuration
TLSv1.3 negotiated with TLS_AES_128_GCM_SHA256 (128-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 soft-fail (~all); DKIM configured (selectors: google, s1, s2, mandrill, zendesk1, zendesk2, smtpapi).
Known Breaches
No known breaches found in public disclosure databases.
HSTS Header
HSTS enabled: max-age=63072000. Missing includeSubDomains. Missing preload directive.
CVE Exposure
Detected technologies: Vercel. (Vercel 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, 36 days remaining; Issued by Let's Encrypt.
Recommended actions
2 items
Steps to improve brex.com's security grade, ranked by impact.
1
Enable DNSSEC on your domain
Without DNSSEC, DNS responses for brex.com can be spoofed, potentially redirecting users to malicious sites. This requires coordination with your domain registrar to publish DS records.
Compliance impact
NIST 800-53SC-20
Secure name/address resolution service
How to fix this
1
Check if your DNS provider supports DNSSEC (Cloudflare, Route53, etc.)
2
Enable DNSSEC signing in your DNS provider dashboard
3
Add the DS record to your registrar for .com TLD
4
Verify: dig +dnssec brex.com
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2
Add optional security headers (X-Frame-Options, Permissions-Policy)
brex.com has most security headers configured. Missing: X-Frame-Options, Permissions-Policy. These are best-practice additions that reduce the attack surface for client-side vulnerabilities.
How to fix this
1
Add: X-Frame-Options: DENY (or SAMEORIGIN if you use iframes)
2
Add: Permissions-Policy: camera=(), microphone=(), geolocation=()
3
Verify with: curl -sI https://brex.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_128_GCM_SHA256 (128-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 soft-fail (~all); DKIM configured (selectors: google, s1, s2, mandrill, zendesk1, zendesk2, smtpapi).
SPF Record
Present
v=spf1 include:_spf.google.com include:sendgrid.net include:_spf.salesforce.com include:mktomail.com
Security Headers
3/5 present
Missing: X-Frame-Options, Permissions-Policy
HSTS
Enabled
HSTS enabled: max-age=63072000. Missing includeSubDomains. Missing preload directive.
SSL Certificate
Valid
Strengths: Certificate valid, 36 days remaining; Issued by Let's Encrypt.
DNSSEC
Not enabled
Strengths: 4 nameservers configured (ns-1769.awsdns-29.co.uk., ns-395.awsdns-49.com., ns-598.awsdns-10.net., ns-1363.awsdns-42.org.); 5 MX records present; Zone transfers properly restricted. Issues: DNSSEC not configured — DNS responses can be spoofed.