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SECURITY SCORE
Certificate Information
Subject
CN=mail.aacom.com.mx
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
January 09, 2026
Valid Until
April 09, 2026
77 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
95:CD:67:B2:75:EC:25:FA:9D:A0:7A:DB:06:A1:0A:18:13:F7:FF:6D:19:BE:90:1E:99:32:A3:EE:65:E4:B3:F3
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
79 domains
mail.likeableagent.com
mail.aacom.com.mx
mail.aefinancialservicesllc.com
mail.agilean.ca
mail.allweatherpatio.com
mail.amatetravel.com
mail.andalworks.com
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mail.arabstarinvestments.com
mail.asperol.com
mail.bitwan.space
mail.byte-size.co.za
mail.cactusnetworkssolutions.com
mail.carmodsbd.com
webmail.castleintheair.biz
mail.checkmark.com
mail.cloudhq.com.au
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webmail.aerosmart.co.ke
mail.fanix.co.tz
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mail.distalcaribe.com
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mail.ecoinsoft.com
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mail.expressitologistic.com
webmail.fprinter.com.br
mail.galvanizingafrica.com
mail.garrcapital.com
mail.geomastersolutions.xyz
mail.globalpayweb.com
mail.naseni.gov.ng
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webmail.multicereales.com
mail.dpfoundation.org.lk
mail.peakaquatics.com
mail.ranprosystems.com
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mail.rookiezoe.com
mail.sein.mx
mail.simpala.co
mail.spectrumofspirit.com
mail.stackbytes.tech
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mail.stevensonsresortsamoa.com
mail.sys-dev.win
mail.tba-irrigation.com
mail.thelostvalley.us
mail.thusabasadi.co.za
ambassador.tradingnations.cloud
mail.truckoom.com
mail.ujz.one
mail.wecrib.com
mail.withmaruf.com
mail.woowbd.com
mail.worldtv.com.co
mail.zeki.link
Other domains in certificate