Open
Cached
·
just now
89/100
SECURITY SCORE
Certificate Information
Subject
CN=*.smartlook.com
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M01
Valid From
October 12, 2025
Valid Until
November 09, 2026
285 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
80:CB:37:7B:DB:79:65:02:BC:BD:37:27:F0:DC:CC:E4:8C:CF:C0:85:72:54:44:96:A5:1B:A9:0E:EC:80:E1:91
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
Present
max-age=31536000
Content-Security-Policy
Good
script-src; style-src; img-src; +9 more
script-src 'report-sample' 'strict-dynamic' 'nonce-a752cf5a9cc6731d274bbfceffeb27fe'; style-src 'self' 'unsafe-inline' https: data:; img-src 'self' https: blob: data:; font-src 'self' data: https:; default-src 'self' 'nonce-a752cf5a9cc6731d274bbfceffeb27fe'; connect-src 'self' data: *.smartlook.com *.smartlook.cloud *.google-analytics.com *.google.com *.googletagmanager.com *.cisco.com https://www.googleadservices.com https://via.intercom.io https://api.intercom.io https://api.au.intercom.io https://api.eu.intercom.io https://api-iam.intercom.io https://api-iam.eu.intercom.io https://api-iam.au.intercom.io https://api-ping.intercom.io https://nexus-websocket-a.intercom.io wss://nexus-websocket-a.intercom.io https://nexus-websocket-b.intercom.io wss://nexus-websocket-b.intercom.io https://nexus-europe-websocket.intercom.io wss://nexus-europe-websocket.intercom.io https://nexus-australia-websocket.intercom.io wss://nexus-australia-websocket.intercom.io https://uploads.intercomcdn.com https://uploads.intercomcdn.eu https://uploads.au.intercomcdn.com https://uploads.eu.intercomcdn.com https://uploads.intercomusercontent.com *.linkedin.com *.doubleclick.net *.cookielaw.org *.onetrust.com *.pardot.com *.survicate.com *.signalfx.com *.chargebee.com; frame-src 'self' blob: https:; object-src 'none'; base-uri 'none'; child-src 'self' https://intercom-sheets.com https://www.intercom-reporting.com https://www.youtube.com https://player.vimeo.com https://fast.wistia.net; form-action 'self' https:; media-src 'self' data: blob: https:
X-Frame-Options
Excellent
deny
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Present
payment=(*)
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Strengthen CSP by removing 'unsafe-eval'
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
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