SSL-Tools

SSL check results of 48hrbooks.com

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Discover if the mail servers for 48hrbooks.com 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

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Report created Thu, 28 Mar 2024 15:40:10 +0000

The mailservers of 48hrbooks.com can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @48hrbooks.com addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.48hrbooks.com
70.62.226.51
 10
supported
mail.48hrbooks.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
8 s

Outgoing Mails

We have not received any emails from a @48hrbooks.com address so far. Test mail delivery

Certificates

First seen at:

CN=mail.48hrbooks.com

Certificate chain
  • mail.48hrbooks.com
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
      • R3
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mail.48hrbooks.com
Alternative Names
  • mail.48hrbooks.com
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2024-02-20
Not valid after
2024-05-20
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
4B:0C:1E:D7:5E:30:49:E9:DD:66:24:68:1F:2B:E7:6B:6E:A6:2B:8D:43:73:61:87:91:3B:20:ED:C1:D4:A0:6F
SHA1
DB:66:71:40:9A:89:90:D6:34:92:B0:8A:D8:BD:5E:63:4A:7D:5A:33
X509v3 extensions
subjectKeyIdentifier
  • 57:FA:50:BB:6F:1A:FF:E0:91:25:77:F3:DD:8F:D6:A5:FF:DC:AC:D7
authorityKeyIdentifier
  • keyid:14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
authorityInfoAccess
  • OCSP - URI:http://r3.o.lencr.org
  • CA Issuers - URI:http://r3.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 48:B0:E3:6B:DA:A6:47:34:0F:E5:6A:02:FA:9D:30:EB:
  • 1C:52:01:CB:56:DD:2C:81:D9:BB:BF:AB:39:D8:84:73
  • Timestamp : Feb 20 16:42:04.724 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:4E:4A:AB:52:4E:CF:C5:9A:14:F7:F2:0E:
  • 84:54:14:63:50:BF:32:25:DF:C6:EF:97:51:2B:EA:DA:
  • 82:D3:01:6A:02:21:00:97:3B:C3:51:C9:39:82:7F:54:
  • 4A:6B:80:10:F5:F5:00:00:E0:36:65:9B:72:9D:D8:FB:
  • FC:9C:7C:AE:71:80:7C
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : EE:CD:D0:64:D5:DB:1A:CE:C5:5C:B7:9D:B4:CD:13:A2:
  • 32:87:46:7C:BC:EC:DE:C3:51:48:59:46:71:1F:B5:9B
  • Timestamp : Feb 20 16:42:04.884 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:64:04:C3:7A:EA:E0:C3:7B:93:6F:86:BC:
  • 31:81:FF:55:84:AB:50:A6:26:E8:55:E3:31:30:9E:9E:
  • 03:1C:AB:69:02:20:41:7D:92:3B:CA:4A:35:91:D9:51:
  • DD:3C:C0:F0:9C:9C:22:18:84:9C:EC:CA:48:02:E5:47:
  • 37:57:AD:81:01:40