DNS Gurus
Cached · just now
73/100 SECURITY SCORE

Detected Technologies

See all in URL Inspect 1
Sectigo logo Sectigo

Certificate Information

Subject
C=US, ST=Minnesota, O=Mayo Foundation for Medical Education and Research, CN=mwredirects4.mayo.edu
Issuer
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA OV R40
Valid From
July 16, 2026
Valid Until
January 30, 2027 179 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
73:CE:DA:B3:26:D8:10:C8:4A:E7:6D:72:CA:C9:A3:6E:88:18:F6:31:D9:8C:8B:7F:08:EF:41:86:C7:5A:24:1A
Alternative Names
124 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 Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
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

124 domains
*.mayoclinic.org apply.mayoclinic.org careerfair.mayoclinic.org *.blood-donor-program-mn.mayoclinic.org *.diet.mayoclinic.org *.newsnetwork.mayoclinic.org *.refill.mayoclinic.org members.clearapproach.mayoclinic.org network.socialmedia.mayoclinic.org technologies.ventures.mayoclinic.org www.mcpress.mayoclinic.org

Other domains in certificate

int.accru.org
ajrrc.org
*.allianceforclinicaltrialsinoncology.org
americanjointreplacementresearchcollaborative.org *.americanjointreplacementresearchcollaborative.org
bigbluedragonboat.com *.bigbluedragonboat.com
bigbluedragonboatlacrosse.com *.bigbluedragonboatlacrosse.com
cancerpreventionnetwork.org www.cancerpreventionnetwork.org
congenitalheartcollaboration.org *.congenitalheartcollaboration.org
fountaincenters.org
gerosciencenetwork.org *.gerosciencenetwork.org
healthlocator.biz *.healthlocator.biz
healthlocator.co *.healthlocator.co
healthlocator.info *.healthlocator.info
healthlocator.net *.healthlocator.net
healthlocator.org *.healthlocator.org
healthlocator.us *.healthlocator.us
historiasmayo.com
mayo-clinic-jobs.com
bioservices.mayo.edu *.ce.mayo.edu edlink.mayo.edu *.edlink.mayo.edu exhibits.cveducation.mayo.edu *.gbs-dev-amco.mayo.edu *.gbs-test-amco.mayo.edu informatics.mayo.edu login.eduonline.mayo.edu *.mayo.edu *.mcshsalumni.mayo.edu mwredirects4.mayo.edu ondemand.securefiletransfer.mayo.edu
mayocareers.com
*.dev.nurseline.mayoclinic.com mayoclinic.com *.mayoclinic.com *.nurseline.mayoclinic.com *.test.nurseline.mayoclinic.com
mayoclinicdiet.com *.mayoclinicdiet.com
mayoclinichealthsolutions.com *.mayoclinichealthsolutions.com
*.mayoclinichealthsystem.org
mayoclinichotline.com *.mayoclinichotline.com
mayoclinichotline.net *.mayoclinichotline.net
mayoclinichotline.org *.mayoclinichotline.org
mayocliniclabs.com *.mayocliniclabs.com
mayoclinicoralhealth.com *.mayoclinicoralhealth.com
mayoclinicplatform.org *.mayoclinicplatform.org
mayoclinicproceedings.org
mayoemployees.org *.mayoemployees.org
mayoentresidency.com *.mayoentresidency.com
ce.mayomedicallaboratories.com education.mayomedicallaboratories.com mayomedicallaboratories.com *.mayomedicallaboratories.com
mayonsgy.org *.mayonsgy.org
mcgiftshop.com www.mcgiftshop.com
mclabs.com www.mclabs.com
mconhold.org *.mconhold.org
mcp.org *.mcp.org www.mcp.org
mcpiqojournal.com
mcpiqojournal.net
mcpiqojournal.org
mini-eat.com *.mini-eat.com
mini-eat.org *.mini-eat.org
sp.mmlaccess.com spqa.mmlaccess.com tsp.mmlaccess.com
mtaconsortium.com *.mtaconsortium.com
ourshot2savelives.org *.ourshot2savelives.org
ourshottosavelives.com
ourshottosavelives.org
senyohealth.com www.senyohealth.com
senyohealth.net www.senyohealth.net
senyohealth.org
surveyrc.org *.surveyrc.org
tomorrowscure.com *.tomorrowscure.com www.tomorrowscure.com
zfishbook.org