Domain Security

Security Compliance & Uptime Monitoring

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A
Grade
10
Pass
2
Warn
0
Fail
https://

cnt.org.br

Mar 7, 2026, 8:31 AM UTC

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HTTPS ?

SSL Certificate
Pass
Issuer: GlobalSign nv-sa · GlobalSign GCC R6 AlphaSSL CA 2023
Valid SSL · Expires 2026-07-01
TLS Configuration
Pass
Strength: Strong. Encrypts data in transit, protecting against eavesdropping.
HSTS
Pass
Forces browsers to use HTTPS, preventing downgrade attacks and cookie hijacking.
Mixed Content
Pass
All page resources are loaded over HTTPS.

Web Application ?

Content Security Policy
Pass
Prevents XSS and data injection attacks by specifying allowed content sources.
Clickjacking Protection
Pass
Prevents this site from being embedded in frames on other domains.
Cookie Security
Pass
All cookies are protected against insecure transmission and JavaScript access.
Security Headers Score
Pass
XSS-Protection · Content-Type-Options · Referrer-Policy · Permissions-Policy ·

Infrastructure ?

Web Application Firewall
Warning
A WAF helps protect your website from SQL injection, XSS, and other exploits.
Server Version
Warning
Disclosing version may increase attack surface.

DNS ?

DNSSEC
Warning
Cryptographically signed DNS responses prevent spoofing and cache poisoning.
Nameservers
Info
ns1.cnt.org.br (201.45.202.51) · ns130.cnt.org.br (189.85.93.130)

Email Authentication ?

DMARC
Pass
Prevents email spoofing and protects against unauthorized phishing attacks.
DKIM
Pass
Digital signature verifies emails were sent by an authorized sender and unaltered in transit.