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

Certificate Information

Subject
CN=horticulture.wisc.edu
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M04
Valid From
October 30, 2025
Valid Until
November 28, 2026 383 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
3B:F5:44:B9:9B:5F:1D:03:23:09:93:37:F1:4F:84:51:59:D0:D9:E9:8B:0D:4C:12:2C:84:CD:CA:06:AC:60:45
Alternative Names
100 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

100 domains
ecologyandevolution.wisc.edu horticulture.wisc.edu hps.wisc.edu iarp.wisc.edu ibio.wisc.edu ifec2019.wisc.edu ifli.wisc.edu ils.wisc.edu immunology.wisc.edu inherhonor.wisc.edu innovate.wisc.edu innovationcee.wisc.edu insectid.wisc.edu insideislam.wisc.edu integrativebiology.wisc.edu international.wisc.edu internationalresources.wisc.edu internationaltravel.wisc.edu ipcm.wisc.edu ipib.wisc.edu irh.wisc.edu iris.wisc.edu isel.wisc.edu ismajor.wisc.edu iss.wisc.edu itproconf.wisc.edu jpgi.wisc.edu kemp.wisc.edu kidspeech.wisc.edu lacis.wisc.edu lafollette-kohl.wisc.edu lakeshorepreserve.wisc.edu landick.wisc.edu langsci.wisc.edu languageinstitute.wisc.edu languages.wisc.edu leadership.wisc.edu legal.wisc.edu legalstudies.wisc.edu pasdept.wisc.edu *.ecologyandevolution.wisc.edu *.ifec2019.wisc.edu *.immunology.wisc.edu *.inherhonor.wisc.edu *.innovate.wisc.edu *.innovationcee.wisc.edu *.insectid.wisc.edu *.insideislam.wisc.edu *.internationalresources.wisc.edu *.ipcm.wisc.edu *.ipib.wisc.edu *.irh.wisc.edu *.iris.wisc.edu *.isel.wisc.edu *.lafollette-kohl.wisc.edu *.lafollette.wisc.edu *.landick.wisc.edu *.languageinstitute.wisc.edu *.languages.wisc.edu *.law.wisc.edu *.pasdept.wisc.edu bigtenplus.uc.wisc.edu kohlerfellows.illuminatingdiscovery.wisc.edu lowcodesolutions.it.wisc.edu seniordesign.me.wisc.edu talaatlab.vetmed.wisc.edu *.150.law.wisc.edu *.andersen.labs.wisc.edu *.bethke.horticulture.wisc.edu *.bigtenplus.uc.wisc.edu *.cggl.horticulture.wisc.edu *.crm.it.wisc.edu *.dawson.horticulture.wisc.edu *.elfenbein.labs.wisc.edu *.fletcher.lafollette.wisc.edu *.gargoyle.law.wisc.edu *.goldman.horticulture.wisc.edu *.haveylab.horticulture.wisc.edu *.janskylab.horticulture.wisc.edu *.jma.law.wisc.edu *.kirchdoerfer.labs.wisc.edu *.kohlerfellows.illuminatingdiscovery.wisc.edu *.library.law.wisc.edu *.lowcodesolutions.it.wisc.edu *.madcor.labs.wisc.edu *.mcgc.law.wisc.edu *.salh.law.wisc.edu *.seniordesign.me.wisc.edu *.southasianlegalhistory.law.wisc.edu *.talaatlab.vetmed.wisc.edu *.urbanagriculture.horticulture.wisc.edu *.wenglab.horticulture.wisc.edu *.wilawinaction.law.wisc.edu *.wilj.law.wisc.edu *.wisblawg.law.wisc.edu *.wjlgs.law.wisc.edu *.wlr.law.wisc.edu *.wrgc.horticulture.wisc.edu qte.rso.engr.wisc.edu *.qte.rso.engr.wisc.edu