Open
Cached
·
just now
91/100
SECURITY SCORE
Certificate Information
Subject
CN=m.nrk.no
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
November 03, 2025
Valid Until
February 01, 2026
53 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
AC:13:EA:98:57:05:D7:2D:1A:32:0F:11:BF:00:1F:B4:8C:8F:62:42:51:C5:B1:65:85:45:68:16:3B:BF:E9:2B
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=15768000
Content-Security-Policy
Good
connect-src; default-src; form-action; +12 more
connect-src 'self' wss://*.nrk.no http://*.nrk.no https://*.nrk.no https://nrk-recommendations.appspot.com https://*.akstat.io https://*.go-mpulse.net https://*.qbrick.com https://*.telenorcdn.net https://*.akamaized.net https://*.akamaihd.net https://*.k5a.io https://log.medietall.no https://www.google-analytics.com https://*.scorecardresearch.com https://ssl-nrkstream.tns-cs.net https://cws.conviva.com https://stats.g.doubleclick.net *.analytics.edgesuite.net *.analytics.edgekey.net dc.services.visualstudio.com dc.applicationinsights.microsoft.com https://*.ip-only.net https://o124059.ingest.sentry.io/api https://no-nrk-prod1.mini.snplow.net/nrk/wd6 https://nrkhd-osl-rr.netwerk.no https://*.dna.contentdelivery.net https://*.nrk.cloud https://*.yr.no;default-src 'self' blob: https://*.nrk.no;form-action 'self' https://www.nrk.no https://pub-apps.nrk.no/nrkno-feedback/feedback;frame-src 'self' https://*.nrk.no https://cdn-gl.imrworldwide.com;frame-ancestors 'self' https://*.nrk.no;img-src 'self' data: https://*.k5a.io https://*.tns-cs.net https://www.google-analytics.com https://*.nrk.no https://*.nrk.cloud https://*.akamaized.net https://*.akamaihd.net https://*.scorecardresearch.com https://*.googleusercontent.com https://ssl-nrkstream.tns-cs.net https://stats.g.doubleclick.net https://secure-nor.imrworldwide.com https://secure-sdk.imrworldwide.com https://cookie.norstatsurveys.com https://log.medietall.no *.scorecardresearch.com *.analytics.edgesuite.net *.analytics.edgekey.net https://www.images-home.com;media-src 'self' blob: data: https://*.nrk.no https://*.qbrick.com https://*.telenorcdn.net https://*.akamaized.net https://*.akamaihd.net https://*.ip-only.net https://*.dna.contentdelivery.net;script-src 'self' blob: https://*.nrk.no https://www.google-analytics.com https://*.k5a.io https://log.medietall.no https://*.scorecardresearch.com https://www.gstatic.com https://cws.conviva.com https://ssl-nrkstream.tns-cs.net https://*.go-mpulse.net https://cdn-gl.imrworldwide.com *.analytics.edgesuite.net *.analytics.edgekey.net az416426.vo.msecnd.net https://*.nrk.cloud 'nonce-5bircp5nyQhw3HbNxOMW1A==';style-src 'self' https: 'unsafe-inline';base-uri 'self';block-all-mixed-content;font-src 'self' https: data:;object-src 'none';script-src-attr 'none';upgrade-insecure-requests
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Strengthen CSP by removing 'unsafe-eval'
- • 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