DNS Gurus
Open Cached · just now
78/100 SECURITY SCORE

Certificate Information

Subject
CN=edusa.wisc.edu
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M04
Valid From
November 06, 2025
Valid Until
December 05, 2026 385 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
E7:25:10:4D:25:C7:5C:30:47:D4:F8:49:19:B1:6D:92:35:BC:FA:12:CA:F1:CE:C6:0B:7A:B1:DB:5A:9B:0A:4A
Alternative Names
94 domains

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
Weak
frame-ancestors
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Strict-Transport-Security header with max-age of at least 1 year
  • • Significantly strengthen CSP directives
  • • 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
actsddeea.wisc.edu cessi.wisc.edu edusa.wisc.edu multilanguage.wisc.edu survey.wisc.edu teachonline.wisc.edu vc.wisc.edu visitbucky.wisc.edu volunteer.wisc.edu wisconsinwelcome.wisc.edu wiscsoftware.wisc.edu *.actsddeea.wisc.edu *.cessi.wisc.edu *.edusa.wisc.edu *.multilanguage.wisc.edu *.survey.wisc.edu *.teachonline.wisc.edu *.vc.wisc.edu *.visitbucky.wisc.edu *.volunteer.wisc.edu *.wisconsinwelcome.wisc.edu *.wiscsoftware.wisc.edu bus.ems.wisc.edu directory.genetics.wisc.edu education.ems.wisc.edu elections.news.wisc.edu ems.education.wisc.edu engr.ems.wisc.edu fpm.ems.wisc.edu her.cee.wisc.edu housing.ems.wisc.edu idia.labs.wisc.edu library.ems.wisc.edu music.ems.wisc.edu mvp.virology.wisc.edu nextgennetwork.it.wisc.edu nursing.ems.wisc.edu pharmacy.ems.wisc.edu recsports.ems.wisc.edu recwell.ems.wisc.edu smph.ems.wisc.edu sohe.ems.wisc.edu son.ems.wisc.edu stt.doit.wisc.edu svm.ems.wisc.edu union.ems.wisc.edu uwmadison.ems.wisc.edu wecan.education.wisc.edu workspace.ems.wisc.edu wsb.ems.wisc.edu www2.waisman.wisc.edu *.bus.ems.wisc.edu *.directory.genetics.wisc.edu *.education.ems.wisc.edu *.elections.news.wisc.edu *.ems.education.wisc.edu *.engr.ems.wisc.edu *.fpm.ems.wisc.edu *.her.cee.wisc.edu *.housing.ems.wisc.edu *.idia.labs.wisc.edu *.library.ems.wisc.edu *.music.ems.wisc.edu *.mvp.virology.wisc.edu *.nextgennetwork.it.wisc.edu *.nursing.ems.wisc.edu *.pharmacy.ems.wisc.edu *.recsports.ems.wisc.edu *.recwell.ems.wisc.edu *.smph.ems.wisc.edu *.sohe.ems.wisc.edu *.son.ems.wisc.edu *.stt.doit.wisc.edu *.svm.ems.wisc.edu *.union.ems.wisc.edu *.uwmadison.ems.wisc.edu *.wecan.education.wisc.edu *.workspace.ems.wisc.edu *.wsb.ems.wisc.edu *.www2.waisman.wisc.edu redirect1.webhosting.doit.wisc.edu *.redirect1.webhosting.doit.wisc.edu

Other domains in certificate

badgerband.com *.badgerband.com
uwc.edu *.uwc.edu
mailservices.uwex.edu *.mailservices.uwex.edu www.uwex.edu *.www.uwex.edu
www.uwsa.edu *.www.uwsa.edu
veterans.wisconsin.edu *.veterans.wisconsin.edu