89/100 SECURITY SCORE

Certificate Information

Subject
CN=mail.sumadeportes.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
January 14, 2026
Valid Until
April 14, 2026 89 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
38:1E:C5:F1:D7:F9:1C:AD:55:CD:DE:C2:F5:B9:84:FF:37:AF:4B:ED:75:41:A7:38:E4:2C:E4:B0:97:89:F1:C4
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

79 domains
mail.sourcecreationbd.com

Other domains in certificate

mail.abvc.com
mail.s29.ac-domain.in
mail.adersllc.com
mail.amicusacademy.com
mail.antavaya-convex.com
mail.avarehab.com
mail.bgarciacuellar.com
webmail.bosstalks.com
mail.breu.org
mail.mumbualegal.co.ke mail.polucon.co.ke webmail.galaxypaints.co.ke
mail.codegate.ng
mail.coffeistacatering.qa
mail.syseng.com.sg
mail.comsatech.co
mail.cybasoft.com
mail.dyditech.ca
mail.e-jmp.com
mail.ecobee.ae
mail.elemint.ai
mail.emaclab.com
mail.emota.ca
mail.famillelavallee.ca
correo.ferpromaq.cl
mail.fflogis.com
outlook.fintechrakyat.com
mail.gatorgully.com
mail.ghsserviceinc.com
mail.gingermoxie.com
mail.globalco.cr
mail.innologica.com.br
mail.istasolutions.com
mail.iwb-bank.com
mail.jnscllctx.com
mail.joyinternet.com.br
mail.justices.me
mail.knittingsupplyperu.com
mail.konsulati.com
webmail.landclair.com
mail.leehui.tw
correo.lostutores.co
mail.marcuccio.com
correo.mastermedic.com.pe
mail.medicstaff.org
mail.meshworkswireless.com
mail.miniprocess.com
mail.mpojol.tax
email.mynexttriptourism.com
mail.novicta.com
login.oceanickenyashipping.com
mail.ochouseoftint.com
mail.orviko.com
mail.otentecnologia.com.br
mail.priorityaircomfort.ca
mail.proctorsecurityservices.ca
mail.realsystemsinc.com
mail.reanets.com
mail.redcheck.com.br
mail.skyinternet.co.za
mail.snapscrum.com
mail.springfieldrvcampingshow.com
mail.standrews-by-the-sea.org
mail.steadynamic.dev
mail.sumadeportes.com
office.tempho.ca
mail.partners.townsuite.com
inbox.traund.xyz
mail.urated.com
mail.valuechainfactory.com
mail.verify360.support
zoho.vitalitycenterli.com
mail.whatsnextradio.live
mail.wiroko.com
mail.wulterkens.me
mail.wvdynamicgraphics.com
mail.xp.digital
mail.zoozoo.ca