DNS Gurus
Cached · just now
98/100 SECURITY SCORE

Certificate Information

Subject
CN=support.antoniosls.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
December 09, 2025
Valid Until
March 09, 2026 69 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
77:2E:DF:BC:C2:3D:86:B9:56:E6:C1:B7:9A:8A:C4:4F:7B:5D:7F:91:37:28:33:FE:48:EF:45:BA:92:42:E3:8C
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
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
support.techulus.com

Other domains in certificate

support-hurbin.abnaconseils.com
help.adobedemandcenter.com
orahelpdesk.adracare.com
tickets.aetherautomation.com
portal1.allergystandards.com
support.alltoolspro.com
support.amidaware.com
support.antoniosls.com
help.arryved.com
support.aubit.ai
support.b2b-webshop.com
soporte.baratovps.es
desk.bergenlogistics.com
help.caduceuswebs.net
support.canawan.com
helpdesk.click-pro.com
support.cloakhosting.com
vaccine.codestack.org
desk.datatech.systems
support.dcg.bz
support.dentalsafetysolutions.com
support.devansys.com
dphssupport.com
support.e-fresco.io
support.easyseohost.com
helpdesk.in.edology.com
support.emergen-cy.com
itsd.epius.com
support.fayziyya.com
support.freedomlinx.com
support.geeksquared2.com
support.gikipedia.com
support.heirhuntersaustralia.com.au
soporte.imaxnetwork.com.mx
support.intech-panama.net
desk.involia.com
support.iqnecthosting.com
soporte.itanalytics.com.mx
mesupport.kdmintellitrak.com
support.klmbiz.tech
support.korvia.com
soporte.macsoft.com.co
support.madeby.africa
support.methaqdesk.ae
helpcenter.mohanvadivel.com
help.mothmoth-task.com
support.notrees.com.au
nxpsupport.oceanbridge.jp surflysupport.oceanbridge.jp
droopy.optique.co.za
btcsupport.oxilio.com
barbit.paradise-computers.com
support.paragon-msp.com
helpdesk.pargo.co.za
support.pcconsultinc.com
support.purespeedhosting.com
zohoasap.testcloud.reflexappointment.nl
support.rentalcarmanager.com
www.mda.rheem.cl
support.rmprohomes.com
support.roconpaas.com
helpdesk.clients.salientprocess.com
gannonhelpdesk.sbithelp.com
desk.seersecure.com
support.servicesitehosting.com
support.songvest.com
support.suissu.com
support.taptasty.com
help.tealev.com
support.techark.com
support.tecsos.net
support.tellurium.co.za
help.tent-naruse.com
service.thelighthouseservices.com
support.theprimehost.com
support.tmzvps.com
deskid.tt-g.net
deskid.ttsolution.net
help.ultramusicfestival.com
help.umfworldwide.com
desk.valuefirstadvisors.com
helpdesk.vontobels.com
support.vpscheap.net
support.webweaverelite.com
support.wiselywise.com
helpdesk.wolferdawg.io
support.x-cd.com