DNS Gurus
Cached · just now
95/100 SECURITY SCORE

Certificate Information

Subject
CN=gradereport.amauonline.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
January 09, 2026
Valid Until
April 09, 2026 84 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
3E:AC:17:6A:87:1F:34:A0:83:46:0C:6C:90:60:51:24:2F:32:61:62:3B:D0:3C:A9:67:51:7D:DD:F0:4B:BD:98
Alternative Names
88 domains

Security Configuration

TLS Protocols
TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)

HTTP Security Headers

Status
Strict-Transport-Security
Good
max-age=63072000;includeSubDomains
Content-Security-Policy
Basic
script-src; object-src; base-uri; +1 more
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
accelerometer=(), ambient-light-sensor=(), bluetooth=(), compute-pressure=(), document-domain=(), encrypted-media=(), gamepad=(), gyroscope=(), hid=(), magnetometer=(), midi=(), screen-wake-lock=(), serial=(), speaker-selection=(), usb=(), xr-spatial-tracking=()
Recommendations
  • • Consider adding 'preload' to HSTS for maximum security
  • • Improve CSP by adding more specific directives and removing 'unsafe-inline'

CAA Records (Certificate Authority Authorization)

CAA Records
Configured (Restricts certificate issuance)
Current Issuer
Authorized (Matches CAA policy)
Authorized CAs
digicert.com letsencrypt.org sectigo.com amazon.com
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement
  • • You have authorized 4 CAs - consider limiting to only the CAs you actively use
  • • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
  • • Consider adding 'issuewild' records to control wildcard certificate issuance

Subject Alternative Names

88 domains
internal.medfuse.com

Other domains in certificate

support.3dcgi.jp
support.50statesofbeauty.com
support.advisorvault.org
gradereport.amauonline.com
support.amosadvisory.com
qa-btbsoftinc.b2bsoft.com qa-tracfonehelp.b2bsoft.com testtracfone.b2bsoft.com
support.bandwidthsimplified.com
support.bestfriendservices.com
support.billflash.com
support.blueironsentinel.com
help.bobgo.co.za
support.cariai.com
support.clarity.golf
support.clingov.com
support.cryoportal.com
support.data21.com
help.dinevite.me
hrhelpdesk.aum.edu.kw
support.embagroup.net
support.emerge360.com
support.eprosima.com
support.exafluence.com
support.flophero.com
support.forestnation.com
support.freshysearch.com
support.fsiusa.com
support.futuratitle.com
support.getcurioso.com
support.getfreshyrecipes.com
marketing.hhmlp.com
helpdesk.innovationgenes.com
helpdesk.iproc.id
support.iwco.co
beefjerkysupport.kdmintellitrak.com
servicedesk.kdmpop.com
support.layr.co.za
helpdesk.locatenow.ai
support.logitperu.com
servicedesk.lumistella.com
mbsupport.maidbrigade.com
support.manualsdirectory.org
support.mapsrch.com
support.myconnectx.com
support.myproviderlink.com
desk.mysportsd.com
support.nastyworldwide.com
hsoa.netrio.com
help.oc-audio.com
services.opc-dc.gov
cs.painrelief.io
help.palisociety.com
support.pdftab.com
support.primeauctionscanada.com
support.printrecipes.net
support.problemsolversguild.com
support.protectionc4.com
support.qeast.ro
help.realtimemed.com
support.rev1tech.com
help.peru.roadtoultra.com
training.ruzzdesk.com
internaltechnicalsupport.salasel.com
support.sample-kiosk.com
support.searchtabnew.com
support.simplespring.com
claims.skydepot.io
crew.skydepot.ru
sales.spgcompany.com
support.starvinmar.vin
support.sterlingtitle.com
desk.streamlyn.com
help.teachme.holdings
tekdesk.tekclansolutions.com
support.templatesearch.org
desk.testleaf.com
support.thaiwellnessmassage.net
support.tiltx.com
support.txtechservices.com
zoho.ueki.monster
soporte.vaelsys.com
support.vatora.uk
ayuda.viajescircular.com.co
support.vivoslife.com
service-desk.xemoteiot.com
support.zelutions.com