SSL check results of email.lu

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Discover if the mail servers for email.lu 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

Report created Sun, 24 May 2020 18:36:40 +0000

The mailservers of email.lu can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @email.lu addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.email.lu
91.232.88.3
10
supported
email.lu
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
13 s

Outgoing Mails

We have received emails from these servers with @email.lu sender addresses. Test mail delivery

Host TLS Version & Cipher
mail.email.lu (91.232.88.3)
TLSv1.2 AECDH-AES256-SHA

Certificates

First seen at:

CN=email.lu

Certificate chain
  • email.lu
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption

Subject
Common Name (CN)
  • email.lu
Alternative Names
  • e-admin.gms.lu
  • email.lu
  • imap.email.lu
  • mail.email.lu
  • pop3.email.lu
  • smtp.email.lu
  • www.email.lu
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-03-30
Not valid after
2020-06-28
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
D5:F2:CB:E2:BD:7E:8A:EA:EF:B9:5A:E2:52:B6:98:16:D5:7C:CD:15:5F:7E:F6:31:51:60:2F:13:51:6D:A8:EE
SHA1
E9:E9:C3:BB:C1:FC:40:AF:D7:9E:BD:43:2C:A8:35:F1:48:EF:AC:E0
X509v3 extensions
subjectKeyIdentifier
  • E5:18:E1:BB:20:CE:2F:28:70:8A:B7:E5:BD:E7:68:07:A9:DA:61:D0
authorityKeyIdentifier
  • keyid:A8:4A:6A:63:04:7D:DD:BA:E6:D1:39:B7:A6:45:65:EF:F3:A8:EC:A1
authorityInfoAccess
  • OCSP - URI:http://ocsp.int-x3.letsencrypt.org
  • CA Issuers - URI:http://cert.int-x3.letsencrypt.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • Policy: 1.3.6.1.4.1.44947.1.1.1
  • CPS: http://cps.letsencrypt.org
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 6F:53:76:AC:31:F0:31:19:D8:99:00:A4:51:15:FF:77:
  • 15:1C:11:D9:02:C1:00:29:06:8D:B2:08:9A:37:D9:13
  • Timestamp : Mar 30 07:20:22.235 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:1B:6E:58:E4:02:3F:4D:7A:69:47:69:F0:
  • 38:54:5E:4C:80:2F:0B:03:88:AF:EB:8F:DA:75:3C:87:
  • E3:C9:9D:E3:02:21:00:FD:DF:1C:6A:D2:AD:08:48:3D:
  • CE:CC:7F:B2:98:2D:76:9C:45:CF:BC:48:D3:74:E4:88:
  • 3C:5F:B4:F8:CB:38:E3
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : B2:1E:05:CC:8B:A2:CD:8A:20:4E:87:66:F9:2B:B9:8A:
  • 25:20:67:6B:DA:FA:70:E7:B2:49:53:2D:EF:8B:90:5E
  • Timestamp : Mar 30 07:20:22.247 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:80:63:C8:8A:41:9D:AC:70:4D:F8:76:
  • 77:25:EB:23:E9:7B:64:70:68:FA:16:7B:F1:01:0A:81:
  • F7:F8:FC:2B:69:02:20:1C:E6:FD:22:CA:5E:E4:CE:B1:
  • 39:DE:3F:BF:13:29:4D:79:79:85:7D:E2:8A:F1:D3:64:
  • CD:38:66:56:4B:13:AA