DNS Gurus
Open Cached · just now
73/100 SECURITY SCORE

Certificate Information

Subject
CN=*.artsinstitute.wisc.edu
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M01
Valid From
October 07, 2025
Valid Until
November 05, 2026 356 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
4C:E3:23:A9:1E:48:F3:4D:EA:61:B5:0A:C9:EF:3D:90:ED:92:A2:29:99:6D:AD:27:99:65:AA:D4:B7:E5:AF:3F
Alternative Names
97 domains

Security Configuration

TLS Protocols
TLS 1.2
Forward Secrecy
Limited (Check cipher configuration)
Warnings
  • • TLS 1.3 is not supported (recommended)

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
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-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • 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

97 domains
ageinplace.wisc.edu ancientengrtech.wisc.edu badgersinretailing.wisc.edu communityaltar.wisc.edu esra.wisc.edu kirchdoerferlab.wisc.edu majordiscoveryweek.wisc.edu mayrent.wisc.edu msfe.wisc.edu parenthetical.wisc.edu pophealth.wisc.edu quitline.wisc.edu wgpi.wisc.edu widiabetesregistry.wisc.edu wirose.wisc.edu *.ageinplace.wisc.edu *.ancientengrtech.wisc.edu *.artsinstitute.wisc.edu *.badgersinretailing.wisc.edu *.communityaltar.wisc.edu *.doit.wisc.edu *.education.wisc.edu *.em.wisc.edu *.esra.wisc.edu *.genetics.wisc.edu *.history.wisc.edu *.it.wisc.edu *.kirchdoerferlab.wisc.edu *.lss.wisc.edu *.majordiscoveryweek.wisc.edu *.mayrent.wisc.edu *.medicine.wisc.edu *.msfe.wisc.edu *.obgyn.wisc.edu *.parenthetical.wisc.edu *.pathology.wisc.edu *.plantpath.wisc.edu *.pophealth.wisc.edu *.quitline.wisc.edu *.recsports.wisc.edu *.soc.wisc.edu *.soils.wisc.edu *.students.wisc.edu *.uwcc.wisc.edu *.wgpi.wisc.edu *.widiabetesregistry.wisc.edu *.wirose.wisc.edu *.wsb.wisc.edu aday.education.wisc.edu boss.pophealth.wisc.edu covid19.international.wisc.edu eps.education.wisc.edu freylab.biochem.wisc.edu games.education.wisc.edu global.education.wisc.edu hersheylab.bact.wisc.edu internal.students.wisc.edu intranet.emed.wisc.edu jfhoude.econ.wisc.edu kinesintranet.education.wisc.edu laso.pophealth.wisc.edu nfarm.bact.wisc.edu pikelab.biochem.wisc.edu shield.medicine.wisc.edu sonar.bact.wisc.edu trenthamdietzlab.pophealth.wisc.edu *.aday.education.wisc.edu *.admin.education.wisc.edu *.aheadd.waisman.wisc.edu *.boss.pophealth.wisc.edu *.covid19.international.wisc.edu *.cow.waisman.wisc.edu *.cyshcn.waisman.wisc.edu *.eps.education.wisc.edu *.freylab.biochem.wisc.edu *.games.education.wisc.edu *.global.education.wisc.edu *.goldsmithtwins.waisman.wisc.edu *.hartleylab.waisman.wisc.edu *.hersheylab.bact.wisc.edu *.infantlearning.waisman.wisc.edu *.internal.students.wisc.edu *.intranet.emed.wisc.edu *.intranet.waisman.wisc.edu *.intranet.wsb.wisc.edu *.jfhoude.econ.wisc.edu *.laso.pophealth.wisc.edu *.littlelisteners.waisman.wisc.edu *.nfarm.bact.wisc.edu *.pikelab.biochem.wisc.edu *.shield.medicine.wisc.edu *.sonar.bact.wisc.edu *.trenthamdietzlab.pophealth.wisc.edu *.wecp.waisman.wisc.edu *.wic.waisman.wisc.edu *.wicii.waisman.wisc.edu *.wilend.waisman.wisc.edu