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

Certificate Information

Subject
CN=aheadd.waisman.wisc.edu
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M03
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
E8:9F:15:DF:8F:0E:91:97:91:B0:DF:41:10:65:EB:CD:F7:22:BD:37:7A:58:63:4E:BA:A5:AB:53:2B:26:B9:43
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
cerc.wisc.edu kmsp.wisc.edu machinelearning.wisc.edu rural.wisc.edu strategiccommunication.wisc.edu virology.wisc.edu *.cerc.wisc.edu *.kmsp.wisc.edu *.machinelearning.wisc.edu *.rural.wisc.edu *.strategiccommunication.wisc.edu *.virology.wisc.edu actearly.waisman.wisc.edu aheadd.waisman.wisc.edu alexander-disease.waisman.wisc.edu alexander.waisman.wisc.edu ausderau.waisman.wisc.edu bazaar.datascience.wisc.edu bhsl.waisman.wisc.edu bite.engr.wisc.edu blab.waisman.wisc.edu chear.waisman.wisc.edu childemotion.waisman.wisc.edu cognitiveoriginslab.psych.wisc.edu connections.waisman.wisc.edu cow.waisman.wisc.edu cyshcn.waisman.wisc.edu dei.cals.wisc.edu epr.chem.wisc.edu ettap.cae.wisc.edu family.waisman.wisc.edu founders-lectureship.che.wisc.edu goldsmithtwins.waisman.wisc.edu gsac.me.wisc.edu hartleylab.waisman.wisc.edu infantbrain.waisman.wisc.edu infantlearning.waisman.wisc.edu intranet.waisman.wisc.edu jvzlab.limnology.wisc.edu lainhart.waisman.wisc.edu lilab.waisman.wisc.edu loolab.che.wisc.edu megraddirectory.me.wisc.edu mfval.me.wisc.edu mimrtl.radiology.wisc.edu motor.waisman.wisc.edu ocr.engineering.wisc.edu pdeworkshop.math.wisc.edu phonology.waisman.wisc.edu raynelab.soils.wisc.edu reti.neep.wisc.edu scrp.waisman.wisc.edu smac.waisman.wisc.edu socialkids.waisman.wisc.edu teachingforward.iris.wisc.edu ucedd.waisman.wisc.edu urban.soils.wisc.edu wecp.waisman.wisc.edu wic.waisman.wisc.edu wicii.waisman.wisc.edu wilend.waisman.wisc.edu wisadds.waisman.wisc.edu wp.waisman.wisc.edu wrc.waisman.wisc.edu zhang.neep.wisc.edu *.actearly.waisman.wisc.edu *.bazaar.datascience.wisc.edu *.bite.engr.wisc.edu *.blab.waisman.wisc.edu *.chear.waisman.wisc.edu *.childemotion.waisman.wisc.edu *.cognitiveoriginslab.psych.wisc.edu *.connections.waisman.wisc.edu *.dei.cals.wisc.edu *.epr.chem.wisc.edu *.ettap.cae.wisc.edu *.family.waisman.wisc.edu *.founders-lectureship.che.wisc.edu *.gsac.me.wisc.edu *.infantbrain.waisman.wisc.edu *.jvzlab.limnology.wisc.edu *.lainhart.waisman.wisc.edu *.loolab.che.wisc.edu *.megraddirectory.me.wisc.edu *.mfval.me.wisc.edu *.mimrtl.radiology.wisc.edu *.motor.waisman.wisc.edu *.ocr.engineering.wisc.edu *.pdeworkshop.math.wisc.edu *.raynelab.soils.wisc.edu *.reti.neep.wisc.edu *.scrp.waisman.wisc.edu *.socialkids.waisman.wisc.edu *.teachingforward.iris.wisc.edu *.urban.soils.wisc.edu *.wp.waisman.wisc.edu *.wrc.waisman.wisc.edu *.zhang.neep.wisc.edu

Other domains in certificate

northcentralwater.org *.northcentralwater.org