Cached · just now
89/100 SECURITY SCORE

Certificate Information

Subject
CN=mail.mbconta.com.br
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
December 11, 2025
Valid Until
March 11, 2026 46 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
AE:0D:F8:02:4E:F5:C1:B0:6D:85:B0:D0:58:68:3F:05:80:BF:79:54:B7:7E:8A:81:B7:AC:AB:F5:EA:47:06:57
Alternative Names

Security Configuration

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

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=64072000; includeSubDomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • Add Content-Security-Policy header to prevent XSS attacks
  • 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
Configured (Restricts certificate issuance)
Current Issuer
Authorized (Matches CAA policy)
Recommendations
  • Consider using critical flag (flags=128) for stricter CAA enforcement
  • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
  • Consider adding 'issuewild' records to control wildcard certificate issuance

Subject Alternative Names

90 domains
mail.cdgtech.one

Other domains in certificate

mail.1upwellness.net
mail.3m-technologies.com
mail.81avenue.in
mail.admazad.com
mail.africanandt.com
mail.alertfive.ca
mail.alfalahtrade.com
mail.almakrami.com
webmail.askfarouk.net
correo.asopayllanos.com
mail.aviatrixtravel.net
mail.awayhow.com
login.bmas.net.au
mail.cats.ac
mail.cbecouture.com
mail.chphotowriter.com
mail.cmcsa.com.br
mail.aldlogistik.co.id mail.evindotama.co.id
mail.mira.com.sa
email.vutechnology.com.sg
mail.coscion.com
mail.cttlab.ca
mail.datacoders.io
mail.designbytim.net
email.disciplenations.net
mail.donghai.vn
mail.earthsense.co
mail.eastkingsdesign.com
mail.elteedmcc.com
mail.energyone.ca
mail.fang.com.pe
mail.fidalgostone.com
mail.filmfactoryistanbul.com
mail.flemingsfire1.com
mail.fourgap.com
correo.fundacionparatodos.com
mail.gluxurydetailing.com
webmail.goldengloves.ae
mail.goodnfast.net
mail.gruposilmez.com
mail.harbingerbeer.com
mail.hessac.pe
mail.icedigitalsolutions.com
mail.inblackmark.com
correo.inmobiliariainvercol.com
mail.iplynx.ca
mail.isomclan.net
mail.jacksen.dev
mail.jam-agrar.com
mail.jigatech.net
mail.jinpengfireworks.com
mail.jvs-engineering.com
mail.kudu-holdings.com
mail.lockwood.technology
webmail.maargconsulting.com
mail.macloud.cc
mail.masterprotec.com.br
mail.mbconta.com.br
correo.msitgroup.com.mx
mail.mswipe.in
mail.nalube.com
mail.nash-tec.net
mail.neoxora.net
mail.noirgrp.com
mail.papagayodev.com
mail.phamster.com
mail.plink.solutions
correo.productosgary.com.mx
mail.rescotcreative.com
mail.reziltasolutions.com
mail.sabizrealty.com
mail.sankhar.com
mail.sensethis.com
webmail.simpatizantes.com.ar
mail.smilequestdental.ca
mail.softserv.in
mail.sunrisehospital.in
mail.techma.ca
mail.thefronczakfiles.com
mail.themakerlab.io
mail.themobimedapp.com
mail.tibbindustries.com
login.tripceylona.online
mail.waccs.africa
mail.wagdymoamen.com
mail.woodlab.co
mail.x-team.dev
mail.xdevel.it