Open
Cached
·
just now
89/100
SECURITY SCORE
Certificate Information
Subject
CN=mail.nerdgear.gg
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
January 08, 2026
Valid Until
April 08, 2026
86 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
7D:31:E5:30:9C:5C:37:06:18:37:6A:5C:7C:14:7E:FD:86:EE:91:96:50:6A:69:DA:DB:3D:45:DF:D4:F2:33:76
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)
Authorized CAs
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
80 domains
mail.pysoft.tech
mail.4map.sa
mail.academiadirect.com
mail.agenciarei.com
webmail.emflora.agr.br
mail.almazentours.com
mail.amarconsulting.net
webmail.applefieldoilandgas.com
mail.atccosoft.com
mail.awarefox.ae
mail.circulointerno.club
webmail.ardee.co.in
mail.cbu.co.ug
mail.codechilli.lk
mail.codezone-eg.com
mail.medburymedicals.com.ng
mail.3s.com.pa
mail.m-reyadah.com.sa
mail.oodahma.com.vn
mail.cuetel.com
mail.curt.ba
mail.cvalera.com
mail.dydsoftware.com
mail.edifyscreening.com
mail.edu-next.com
mail.envisageja.com
mail.essenceplus.sg
mail.falconsteelengg.com
mail.fundae.ai
mail.graphixcrew.cl
mail.grcs.world
mail.greatsolag.org
mail.grupoandriollo.com.br
mail.grupobaldo.com.br
email.grupocunhadacamara.com.br
mail.highptventures.com
webmail.holospet.cl
mail.humetisgroup.com
mail.icbtax.com
mail.ictw.ae
mail.itsulu.us
webmail.jacareautopecas.com.br
mail.jlmriskmanagement.com
mail.kurtis.cl
mail.lccs.sg
mail.letseduvate.com
mail.lohia.net
webmail.mikoshouseofimhotep.com
mail.mounit-baladi.ae
corporativo.nazcacatastro.com
mail.nerdgear.gg
mail.nihars.com
mail.nkcustomer.com
mail.ntelements.com
mail.offtheplancha.com
mail.osaitech.dev
mail.ozarkcarpet.com
mail.par3software.com
mail.pmaix.com
mail.polakhotelsltd.com
mail.royalcoffee.cl
workspace.sabeqoon.com
mail.sanivate.co
mail.schulhof.net
webmail.skedmia.com
mail.smmsteel.com
webmail.sncconsult.com
mail.spiritedcode.com
mail.strengthvalue.com
mail.techragency.com
mail.thedressytable.com
mail.themtgboard.com
mail.tkdn360.us
webmail.turismax.com.br
mail.rtg.us.com
mail.vinciq.com
webmail.wehauljunkwi.com
mail.xediant.com
mail.xiangshi.email
poczta.zdanowicz.it
Other domains in certificate