DNS Gurus
Cached · just now
95/100 SECURITY SCORE

Certificate Information

Subject
CN=support.shippingsuppliesbymail.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
January 08, 2026
Valid Until
April 08, 2026 72 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
6D:3E:72:88:EE:93:E5:B9:9E:5A:5A:14:E6:2F:70:1E:B2:6A:C6:0E:9C:95:BD:96:9F:1F:88:45:FB:79:52:9B
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
amazon.com digicert.com letsencrypt.org sectigo.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
support.rhythmcs.com

Other domains in certificate

support.5es.fr
help.abean.cc
support.aegix.global
soporte.alyzta.com
suporte.amandaaline.com.br
helpdesk.americanprofit.net
support.arcoflex.com.au
help.arl.hockey
desk.automatrix.com
soporte.avellanedaauntoque.com
help.brandjelly.com
support.ccsindy.org
ajuda.latam-oab.cd-brasil.com
help.ciposoftware.com
support.clubwptgold.com
support.turquoise.co.ke
ms.medinet.com.do
support.nipex.com.ng
support.tamex.com.sa
eclaims.msig.com.vn
support.ctnaon.com
mb.support.databasin.co
support.ddscredentialing.com
support.digiops.co
servicedesk-student.utec.edu.pe
member-services.epicpharmacynetwork.com
support.eterraattachments.com
helpdesk.evexiadiagnostics.com
helpdesk.excelsoftware.net
service.fourleaf.agency
cs.furuke.com
internal-support.galactic-n.com
support.gbbconsulting.com
help.gopaybotic.com
support.grownby.com
support.hunterx.com.co
support.hurstboilercorp.com
soporte.infiniasolutions.com
helpdesk.intraxinc.com
desk.kinleyames.com
help.kwik.care
helpcenter.frostdev.learningmate.co
support.learningplus.vn
help.legacyhq.ai
carrierintegration.lenderdock.com
bondapplicationsupport.loyaltysite.ca
support.mintmls.com
support.mythicalcommunications.com
support.ndspros.com
help.netsolutionspro.com
support.neuralrocket.co
o3desk.o3cards.com
servicios.ocazabpo.com
suporte.abrhbrasil.org.br
support.ownerspath.com
support.paxsecurity.com
support.pivotaleps.com
techsupport.precisionisr.com
help.printmaster.cc
help.procive.com
support.rasters.io
support.redkeytech.com
wwhgd.renevar.com
support.reportbuilderx.com
instadesk.rivalit.ai
support.routework.co.za
support.sgecentre.com
support.shippingsuppliesbymail.com
soporte.sistemarealidad.com.ar
support.smartlyme.tech
help.snappyexchange.com
support.solid.com.au
supportmail.stalliontech.io
support.sumersports.com
podpora.sunlux.cz
support.tal-usa.com
support.techbizinfotech.com
support.touchprint.nz
support.translatelive.com
support.trayl.marketing
triagesupport.triage-partners.com
support.triglotta.org
soporte.vasser.com.ar
support.visionations.com
support-empatiko.vjrodriguez.dev
support.wachterstrategy.com
support.weareomm.com