SSL-Tools

SSL check results of qualityserviceassis.com.br

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Discover if the mail servers for qualityserviceassis.com.br can be reached through a secure connection.

To establish a secure connection a mail server has to offer STARTTLS (SSL), a trustworthy SSL certificate, support for the Diffie-Hellman-Algorithm to guarantee Perfect Forward Secrecy and must not be vulnerable against the Heartbleed attack. Futhermore we recommend using end-to-end encryption with GnuPG.

Summary

JSON Refresh

Report created Tue, 25 Mar 2025 16:28:27 +0000

The mailservers of qualityserviceassis.com.br can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @qualityserviceassis.com.br addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
qualityserviceassis.com.br
143.208.8.19
 0
supported
mail.qualityserviceassis.com.br
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
40 s

Outgoing Mails

We have not received any emails from a @qualityserviceassis.com.br address so far. Test mail delivery

Certificates

First seen at:

CN=mail.qualityserviceassis.com.br

Certificate chain
  • mail.qualityserviceassis.com.br
    • remaining
    • 384 bit
    • ecdsa-with-SHA384
      • E5
        • remaining
        • 384 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mail.qualityserviceassis.com.br
Alternative Names
  • mail.qualityserviceassis.com.br
  • qualityserviceassis.com.br
  • webmail.qualityserviceassis.com.br
  • www.qualityserviceassis.com.br
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E5
validity period
Not valid before
2025-03-01
Not valid after
2025-05-30
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
80:3B:8D:C9:EE:05:AB:77:CB:70:9E:63:3E:A2:B6:0C:88:26:E6:B6:51:4C:30:5E:4E:10:28:1A:0F:72:C7:76
SHA1
DF:E8:34:AE:DE:B6:31:B0:8C:38:D1:38:04:8C:21:8C:0C:0C:7B:69
X509v3 extensions
subjectKeyIdentifier
  • B1:0F:36:0C:27:44:EB:30:F4:29:62:92:77:B7:86:FB:2F:7C:6A:2C
authorityKeyIdentifier
  • keyid:9F:2B:5F:CF:3C:21:4F:9D:04:B7:ED:2B:2C:C4:C6:70:8B:D2:D7:0D
authorityInfoAccess
  • OCSP - URI:http://e5.o.lencr.org
  • CA Issuers - URI:http://e5.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : A2:E3:0A:E4:45:EF:BD:AD:9B:7E:38:ED:47:67:77:53:
  • D7:82:5B:84:94:D7:2B:5E:1B:2C:C4:B9:50:A4:47:E7
  • Timestamp : Mar 1 04:57:22.044 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:E6:8B:7E:CE:91:62:9F:4D:3B:32:4A:
  • 7F:91:20:A0:57:48:7C:4F:23:51:91:31:8D:A7:60:0D:
  • 76:82:B9:7B:F5:02:21:00:D0:76:DB:91:25:1C:1E:21:
  • 09:93:73:C8:9D:0D:85:7A:A5:B6:34:67:AC:4B:1A:9A:
  • 9A:6E:F2:07:C2:B2:84:7A
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C:
  • 22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0
  • Timestamp : Mar 1 04:57:22.064 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:32:AE:20:8D:FC:9B:59:3A:74:A2:3B:31:
  • 82:8A:4D:0D:C2:81:07:5D:B3:A2:AC:67:6B:67:6B:98:
  • CB:0B:A2:70:02:21:00:D9:54:FA:39:BF:B2:82:5A:3A:
  • 3B:7F:EC:65:B9:E5:0D:A3:54:F2:D2:19:02:CE:AA:47:
  • 8B:DC:8B:82:F4:00:EA