Open
Cached
·
just now
98/100
SECURITY SCORE
Certificate Information
Subject
CN=mikaelf.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
September 24, 2025
Valid Until
December 23, 2025
32 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
91:F2:32:94:40:47:37:95:44:15:30:33:5D:A1:FD:B5:14:61:0E:7B:87:93:8A:17:8C:3F:37:85:50:DA:A1:5F
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=63072000; includeSubDomains; preload
Content-Security-Policy
Good
default-src; connect-src; img-src; +6 more
default-src 'none'; connect-src 'self' https://push.chiffre.io/event/1elBAxQ8yUJT9EvL; img-src 'self' https://www.yr.no/en/content/2-2670879/meteogram.svg; script-src 'self' https://embed.chiffre.io/analytics.js https://static.cloudflareinsights.com/beacon.min.js 'unsafe-inline'; style-src 'self'; manifest-src 'self'; frame-ancestors 'none'; base-uri 'none'; form-action 'none';
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer
Permissions-Policy
Present
sync-xhr=(self), interest-cohort=()
Recommendations
- • Strengthen CSP by removing 'unsafe-eval'
CAA Records (Certificate Authority Authorization)
CAA Records
Configured
(Restricts certificate issuance)
Current Issuer
Authorized
(Matches CAA policy)
Authorized CAs
buypass.no
comodoca.com
digicert.com
; cansignhttpexchanges=yes
letsencrypt.org
pki.goog
; cansignhttpexchanges=yes
sectigo.com
ssl.com
Wildcard CAs
comodoca.com
digicert.com
; cansignhttpexchanges=yes
letsencrypt.org
pki.goog
; cansignhttpexchanges=yes
ssl.com
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • You have authorized 7 CAs - consider limiting to only the CAs you actively use
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts