Open
Cached
·
just now
92/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=*.authsmtp.com
Issuer
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36
Valid From
November 26, 2025
Valid Until
December 27, 2026
238 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
99:DD:04:D0:EB:99:5C:EB:79:D4:FF:E3:6A:19:13:E1:89:5E:7E:DF:49:6A:E8:14:2D:03:6C:CF:A5:45:55:F7
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
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Content-Security-Policy header to prevent XSS attacks
- • Consider adding Permissions-Policy to control browser features
CAA Records (Certificate Authority Authorization)
CAA Records
Configured
(Restricts certificate issuance)
Current Issuer
Authorized
(Matches CAA policy)
Authorized CAs
sectigo.com
actalis.it
pki.goog
; cansignhttpexchanges=yes
letsencrypt.org
digicert.com
; cansignhttpexchanges=yes
comodoca.com
Wildcard CAs
pki.goog
; cansignhttpexchanges=yes
actalis.it
digicert.com
; cansignhttpexchanges=yes
geotrust.com
sectigo.com
comodoca.com
letsencrypt.org
Incident Reporting
mailto:[email protected]
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • You have authorized 6 CAs - consider limiting to only the CAs you actively use