Open
Cached
·
just now
90/100
SECURITY SCORE
Certificate Information
Subject
C=ES, ST=La Rioja, O=Arsys Internet S.L., CN=*.servidoresdns.net
Issuer
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA OV R36
Valid From
May 20, 2025
Valid Until
May 20, 2026
184 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA384-RSA
SHA-256 Fingerprint
2A:48:6C:5D:5E:E4:E9:FE:5C:53:B8:98:76:41:65:5E:A9:E3:C2:24:BF:C3:0C:C1:E0:BB:6F:8B:C0:42:F2:B3
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
Forward Secrecy
Limited
(Check cipher configuration)
Warnings
- • TLS 1.3 is not supported (recommended)
HTTP Security Headers
Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Basic
frame-ancestors; default-src
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
Permissions-Policy
Missing
Not configured
Recommendations
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • Consider adding Permissions-Policy to control browser features
CAA Records (Certificate Authority Authorization)
CAA Records
Not Configured
(Any CA can issue certificates)
CAA Issues
- • No CAA records configured - any CA can issue certificates
Recommendations
- • Implement CAA records to restrict which CAs can issue certificates for your domain
- • This adds an extra layer of security against unauthorized certificate issuance
- • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
- • Consider adding 'iodef' record to receive security incident reports