DNS Gurus
Cached · just now
98/100 SECURITY SCORE

Certificate Information

Subject
CN=knowledge.marketing360.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
November 29, 2025
Valid Until
February 27, 2026 42 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
4D:1C:25:07:CF:CF:B5:80:64:15:23:65:63:04:15:21:EF:CA:03:05:54:C0:8D:E5:4B:AC:84:B0:74:F7:71:5B
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
Strong
default-src; script-src; style-src; +6 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

CAA Records (Certificate Authority Authorization)

CAA Records
Configured (Restricts certificate issuance)
Current Issuer
Authorized (Matches CAA policy)
Authorized CAs
letsencrypt.org sectigo.com amazon.com digicert.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.brams.com

Other domains in certificate

support.5443media.com
help.advicerevolution.com.au
ayuda.alphatrading.com
support.audicapro.co.uk
support.australianboard.com
help.bizvalet.com
supporto.caygri.com
support.cialarm.com
tickets.cipriani.com
hbm.support.citek.vn hoanglong.support.citek.vn minhphu.support.citek.vn pinaco.support.citek.vn
support.cldental.com.au
support.clubboost.club
grc.cma.com.br
support.compusharaf.com
support.conciergecio.com
support.defenagepro.com
zoho.dexperts.com.mx
support.digidoor.nl
miniprod.djip.ca
support.dtasiagroup.com
desk.entire.tech
billfinsupport.envestnet.com
support.excellium.biz
help.expressgst.com
support.fburgcrm.com
support.generaletiquetaje.com
support.geoinstinct.com
support.goldring.co.uk
support.grado.co.uk
support.grsee.com
support.guardiansoft.com
support.hekmancontract.com
ohs.hemlock.com
distribuidores.holistor.com.ar
support.ifwerp.com
publishersupport.ipublishcentral.com
suporte.iqsis.com.br
help.iyzil.com
support.jthathapudi.com
support.kada.ng
help.kbbsuite.com
techcare.laundrylux.com
support.lauth.net
ayuda.localadventures.mx
knowledge.marketing360.com
desk.marketpanorama.com
support.matters.cloud
helpdesk.modernpest.com
support.mydesignlist.com
helpdesk.mysec.cloud
support.national360.com.au
itsupport.nelson-atkins.org
support.netinx.in
customersupport.npisorters.com
abi-zoho.oacas.org
support.oring-industrial.net
support.peointernational.org
support.pharmpilot.com
support.poorstudio.co
support.qacoustics.co.uk
support.qed.co.uk
help.quickreply.ai
support.r2slogistics.com
contato.rcinfonet.com.br
ayuda.recoleccionrrpbi.site
support.redcardathletics.com
help.rmgecommerce.org
support.rubberstoneportal.com
helpdesk.rush-health.com
support.shepherd-hoa.com
support.stratelegy.net
service.suntecheu.com
support.aspirexbenefits.superlogic.com
support.systemline.co.uk
support.t4i.io
ithelpdesk.takecommandhealth.com
support.teamventi.com
knowledge.topratedlocal.com
support.trucastsolutions.com
support.verisurf.com
support.visualsoftware.it
sac.wxeq.com.br
helpdesk.younet.com.au
support.yubin.app