Open
Cached
·
just now
93/100
SECURITY SCORE
Certificate Information
Subject
C=SE, L=Falkenberg, O=GleSYS AB, CN=*.glesys.se
Issuer
C=FI, O=Telia Finland Oyj, CN=Telia Server CA v3
Valid From
October 07, 2025
Valid Until
November 04, 2026
355 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
EE:40:31:D8:71:7D:8B:36:CB:BE:EF:AB:C3:56:2A:82:5F:5E:46:58:F2:A8:07:31:62:1D:11:44:0B:1E:AF:FC
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
HTTP Security Headers
Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Basic
default-src; frame-ancestors; base-uri; +1 more
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
geolocation=(), camera=(), microphone=()
Recommendations
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
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