DNS Gurus
Open Cached · just now
70/100 SECURITY SCORE

Certificate Information

Subject
CN=wsb.ems.wisc.edu
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M02
Valid From
April 14, 2025
Valid Until
May 13, 2026 179 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
DC:6A:E3:4F:F5:1F:A0:40:33:C8:7B:54:02:C6:4D:46:A8:2E:57:14:7A:BA:CC:20:0C:4B:23:56:3C:FB:24:53
Alternative Names
76 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
Present
max-age=63072000
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
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • 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

76 domains
box.wisc.edu recruitment.wisc.edu sohe.wisc.edu spaceplace.wisc.edu studentaffairs.wisc.edu waisman.wisc.edu workday.wisc.edu workdayhelp.wisc.edu workdayuxt.wisc.edu *.aims.wisc.edu *.psl.wisc.edu *.recruitment.wisc.edu *.spaceplace.wisc.edu *.studentaffairs.wisc.edu *.vc.wisc.edu *.workday.wisc.edu *.workdayhelp.wisc.edu *.workdayuxt.wisc.edu aheadd.waisman.wisc.edu box-test.doit.wisc.edu box.doit.wisc.edu box.wisctest.wisc.edu compnetbiocourse.discovery.wisc.edu education.ems.wisc.edu ems.education.wisc.edu engr.ems.wisc.edu fpm.ems.wisc.edu graduation.engr.wisc.edu hougen-programs.che.wisc.edu housing.ems.wisc.edu mcardle.oncology.wisc.edu meatlab.cals.wisc.edu music.ems.wisc.edu pin.primate.wisc.edu qian.me.wisc.edu recwell.ems.wisc.edu reti.ep.wisc.edu wecan.education.wisc.edu wisionlab.cs.wisc.edu wsb.ems.wisc.edu *.aheadd.waisman.wisc.edu *.compnetbiocourse.discovery.wisc.edu *.education.ems.wisc.edu *.ems.education.wisc.edu *.engr.ems.wisc.edu *.fpm.ems.wisc.edu *.graduation.engr.wisc.edu *.hougen-programs.che.wisc.edu *.housing.ems.wisc.edu *.meatlab.cals.wisc.edu *.music.ems.wisc.edu *.qian.me.wisc.edu *.recwell.ems.wisc.edu *.reti.ep.wisc.edu *.wecan.education.wisc.edu *.wisionlab.cs.wisc.edu *.wsb.ems.wisc.edu vmmm.webhosting.cals.wisc.edu *.vmmm.webhosting.cals.wisc.edu

Other domains in certificate

cows.org *.cows.org
gibbs-lab.com *.gibbs-lab.com
online.uwc.edu *.online.uwc.edu
dbe.uwex.edu *.dbe.uwex.edu wildlifedamage.uwex.edu
workday.wisconsin.edu *.workday.wisconsin.edu workdayhelp.wisconsin.edu *.workdayhelp.wisconsin.edu workdayuxt.wisconsin.edu *.workdayuxt.wisconsin.edu
wpt.org *.wpt.org