Open Cached · just now
71/100 SECURITY SCORE

Certificate Information

Subject
C=US, ST=Illinois, O=Northwestern University, CN=it.northwestern.edu
Issuer
C=US, O=Internet2, CN=InCommon RSA Server CA 2
Valid From
March 10, 2025
Valid Until
March 10, 2026 118 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA384-RSA
SHA-256 Fingerprint
28:0F:81:27:3F:65:27:5F:00:C4:BC:9D:4C:E4:8F:F4:A1:26:30:F7:8A:79:A7:D1:9A:D6:C4:9D:DA:89:F8:A1
Alternative Names

Security Configuration

TLS Protocols
TLS 1.0 TLS 1.1 TLS 1.2
Forward Secrecy
Limited (Check cipher configuration)
Warnings
  • TLS 1.3 is not supported (recommended)
  • TLS 1.1 is deprecated and should be disabled
  • TLS 1.0 is deprecated and should be disabled

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • Add Strict-Transport-Security header with max-age of at least 1 year
  • Add Content-Security-Policy header to prevent XSS attacks
  • Add X-Content-Type-Options: nosniff
  • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • 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

Subject Alternative Names

94 domains
northwestern.edu admindash.northwestern.edu adminplan.northwestern.edu admissions.northwestern.edu artscircle.northwestern.edu biology.northwestern.edu blockmuseum.northwestern.edu buffett.northwestern.edu buffettinstitute.northwestern.edu caesar.northwestern.edu canvaspost.northwestern.edu chicagofinancialaid.northwestern.edu common.northwestern.edu corporate.northwestern.edu edgs.northwestern.edu edtraineval.northwestern.edu elp.northwestern.edu enrollment.northwestern.edu fig.northwestern.edu ibnam.northwestern.edu ipd.northwestern.edu ipr.northwestern.edu isita.northwestern.edu it.northwestern.edu library.northwestern.edu nemmers.northwestern.edu nuwrite.northwestern.edu perform.northwestern.edu policies.northwestern.edu policy.northwestern.edu qatar.northwestern.edu quantum.northwestern.edu registrar.northwestern.edu renu.northwestern.edu researchanalytics.northwestern.edu researchintegrity.northwestern.edu researchstaffsurvey.northwestern.edu sciencecafe.northwestern.edu sqi.northwestern.edu tgs-postdocs.northwestern.edu tgs.northwestern.edu ugadm.northwestern.edu undergradaid.northwestern.edu www.northwestern.edu adminplan.crown.northwestern.edu common.qatar.northwestern.edu facilities.research.northwestern.edu isita.buffett.northwestern.edu keyman.buffett.northwestern.edu m.library.northwestern.edu my.qatar.northwestern.edu nuwrite.at.northwestern.edu www.adminplan.northwestern.edu www.admissions.northwestern.edu www.artscircle.northwestern.edu www.biology.northwestern.edu www.blockmuseum.northwestern.edu www.buffett.northwestern.edu www.buffettinstitute.northwestern.edu www.caesar.northwestern.edu www.canvaspost.northwestern.edu www.chicagofinancialaid.northwestern.edu www.corporate.northwestern.edu www.crs.northwestern.edu www.edgs.northwestern.edu www.edtraineval.northwestern.edu www.elp.northwestern.edu www.enrollment.northwestern.edu www.fig.northwestern.edu www.ibnam.northwestern.edu www.ipd.northwestern.edu www.ipr.northwestern.edu www.isita.northwestern.edu www.it.northwestern.edu www.library.northwestern.edu www.nemmers.northwestern.edu www.nuwrite.northwestern.edu www.perform.northwestern.edu www.policies.northwestern.edu www.policy.northwestern.edu www.qatar.northwestern.edu www.quantum.northwestern.edu www.registrar.northwestern.edu www.renu.northwestern.edu www.researchanalytics.northwestern.edu www.researchintegrity.northwestern.edu www.researchstaffsurvey.northwestern.edu www.sciencecafe.northwestern.edu www.sqi.northwestern.edu www.tgs-postdocs.northwestern.edu www.tgs.northwestern.edu www.ugadm.northwestern.edu www.undergradaid.northwestern.edu www.facilities.research.northwestern.edu