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SECURITY SCORE
Certificate Information
Subject
CN=esl.wisc.edu
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M02
Valid From
July 17, 2025
Valid Until
August 15, 2026
268 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
25:D5:5D:23:7F:FE:96:6B:97:47:F6:84:45:49:9E:98:77:35:62:3A:17:7C:E8:B6:35:26:33:9D:0F:C6:A2:65
Alternative Names
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
esl.wisc.edu
europe.wisc.edu
evolution.wisc.edu
eyephoto.wisc.edu
financialaid.wisc.edu
first-trial-icu.wisc.edu
firstwave.wisc.edu
flame.wisc.edu
folklife.wisc.edu
forestandwildlifeecology.wisc.edu
frit.wisc.edu
fruit.wisc.edu
fsmaproducesafety.wisc.edu
fungi.wisc.edu
fwe.wisc.edu
geewisc.wisc.edu
gened.wisc.edu
genetics.wisc.edu
geneticsinwisconsin.wisc.edu
geod.wisc.edu
ghi.wisc.edu
globalhealth.wisc.edu
globalhealthethic.wisc.edu
globalhealthinstitute.wisc.edu
globalhumanities.wisc.edu
gmwp.wisc.edu
gpsd.wisc.edu
grad.wisc.edu
gradlife.wisc.edu
greatlakesfibernetwork.wisc.edu
guts.wisc.edu
gws.wisc.edu
havenscenter.wisc.edu
havenswrightcenter.wisc.edu
healthpolicy.wisc.edu
herbarium.wisc.edu
hipaa.wisc.edu
history.wisc.edu
historyofcartographyproject.wisc.edu
hlcaccreditation.wisc.edu
hmap.wisc.edu
hmongstudies.wisc.edu
integratedata.wisc.edu
vote.wisc.edu
*.europe.wisc.edu
*.evolution.wisc.edu
*.extension.wisc.edu
*.first-trial-icu.wisc.edu
*.folklife.wisc.edu
*.forestandwildlifeecology.wisc.edu
*.frit.wisc.edu
*.fruit.wisc.edu
*.fsmaproducesafety.wisc.edu
*.fungi.wisc.edu
*.fwe.wisc.edu
*.gened.wisc.edu
*.geod.wisc.edu
*.geoscience.wisc.edu
*.german.wisc.edu
*.globalhealth.wisc.edu
*.globalhealthethic.wisc.edu
*.globalhealthinstitute.wisc.edu
*.globalhumanities.wisc.edu
*.gns.wisc.edu
*.gpsd.wisc.edu
*.gradlife.wisc.edu
*.guts.wisc.edu
*.havenscenter.wisc.edu
*.havenswrightcenter.wisc.edu
*.historyofcartographyproject.wisc.edu
*.hort.wisc.edu
*.integratedata.wisc.edu
*.vote.wisc.edu
ciuccilab.surgery.wisc.edu
nrmndata.sites.wisc.edu
safeproduce.foodsafety.wisc.edu
*.bauer.geoscience.wisc.edu
*.ciuccilab.surgery.wisc.edu
*.crosssection.gns.wisc.edu
*.education.ghi.wisc.edu
*.emrl.geoscience.wisc.edu
*.energyonwi.extension.wisc.edu
*.ferrier.geoscience.wisc.edu
*.frozendessertcenter.foodsci.wisc.edu
*.fs120.foodsci.wisc.edu
*.gasch.genetics.wisc.edu
*.gdgsaconference.german.wisc.edu
*.hist366.history.wisc.edu
*.juis.global.wisc.edu
*.masson.genetics.wisc.edu
*.nrmndata.sites.wisc.edu
*.pelegri.genetics.wisc.edu
*.resource.ghi.wisc.edu
*.safeproduce.foodsafety.wisc.edu
*.structure.geoscience.wisc.edu
*.sun.genetics.wisc.edu
*.theliteracylink.extension.wisc.edu
*.werling.genetics.wisc.edu
*.zahasky.geoscience.wisc.edu