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

Certificate Information

Subject
CN=*.aussiesuzuki.oncology.wisc.edu
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M04
Valid From
September 17, 2025
Valid Until
October 16, 2026 324 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
C9:B0:1E:C0:44:B7:33:1F:D5:32:BD:4D:AB:20:C1:D3:51:94:A2:23:68:E2:38:98:AD:5E:DF:24:BA:AA:76:97
Alternative Names
99 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

99 domains
asia.wisc.edu brite.wisc.edu entrepreneurship.wisc.edu rfo.wisc.edu smplabs.wisc.edu *.asia.wisc.edu *.brite.wisc.edu *.entrepreneurship.wisc.edu *.ous.wisc.edu *.pact.wisc.edu *.pbk.wisc.edu *.peacecorps.wisc.edu *.pediatrics.wisc.edu *.peopleprogram.wisc.edu *.pgtp.wisc.edu *.photostore.wisc.edu *.physicalplant.wisc.edu *.posseprogram.wisc.edu *.printing.wisc.edu *.provost.wisc.edu *.publicart.wisc.edu *.quality.wisc.edu *.registrar.wisc.edu *.research.wisc.edu *.rfo.wisc.edu *.riseupandwrite.wisc.edu *.robotics.wisc.edu *.russiaproject.wisc.edu *.sasli.wisc.edu *.sbdc.wisc.edu *.science.wisc.edu *.secfac.wisc.edu *.sis.wisc.edu *.smplabs.wisc.edu *.soar.wisc.edu *.sociology.wisc.edu *.sohe.wisc.edu *.southasiaconference.wisc.edu *.spanport.wisc.edu *.stemcells.wisc.edu *.sts.wisc.edu *.studyabroad.wisc.edu *.sustainability.wisc.edu *.tlsymposium.wisc.edu *.transfer.wisc.edu *.transportation.wisc.edu *.ugradsymposium.wisc.edu *.union.wisc.edu *.univercity.wisc.edu *.uwamic.wisc.edu agwater.cals.wisc.edu syncat.chem.wisc.edu uwtcmmg.engr.wisc.edu *.2018exportconf.research.wisc.edu *.agwater.cals.wisc.edu *.alcoholanddruginfo.students.wisc.edu *.alibali.psych.wisc.edu *.arc.psych.wisc.edu *.assessment.provost.wisc.edu *.athensalumni.studyabroad.wisc.edu *.aussiesuzuki.oncology.wisc.edu *.blog.studyabroad.wisc.edu *.cafelab.sohe.wisc.edu *.care.pathology.wisc.edu *.cclab.psych.wisc.edu *.conduct.students.wisc.edu *.dho.pathology.wisc.edu *.doso.students.wisc.edu *.ehrenthallab.pophealth.wisc.edu *.engelmanlab.pophealth.wisc.edu *.facstaff.provost.wisc.edu *.greenlab.psych.wisc.edu *.hdfsfaculty.sohe.wisc.edu *.help.sis.wisc.edu *.kaleidoscope.spanport.wisc.edu *.labs.russell.wisc.edu *.lankau.russell.wisc.edu *.login.sis.wisc.edu *.marlerlab.psych.wisc.edu *.medstudents.pathology.wisc.edu *.research.pathology.wisc.edu *.residency.pathology.wisc.edu *.rosengrenlab.psych.wisc.edu *.saalmannlab.psych.wisc.edu *.seniorclass.students.wisc.edu *.slo.pathology.wisc.edu *.syncat.chem.wisc.edu *.teachlearn.provost.wisc.edu *.threads.sohe.wisc.edu *.ulland.pathology.wisc.edu *.upgrade.sis.wisc.edu *.uwphi.pophealth.wisc.edu *.uwtcmmg.engr.wisc.edu *.wiscidea.soc.wisc.edu *.wudresources.union.wisc.edu wiscwind.rso.engr.wisc.edu *.felel.labs.russell.wisc.edu *.hart.labs.russell.wisc.edu *.wiscwind.rso.engr.wisc.edu