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SSL check results of mx02.computer-universum.info

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Discover if the mail servers for mx02.computer-universum.info 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 Mon, 25 May 2020 09:37:50 +0000

The mailservers of mx02.computer-universum.info can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mx02.computer-universum.info addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mx02.computer-universum.info
85.214.212.85
 -
supported
mx02.computer-universum.info
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s
mx02.computer-universum.info
2a01:238:420d:5a00:b8d1:4c45:807c:fe49
 -
supported
mx02.computer-universum.info
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
3 s

Outgoing Mails

We have not received any emails from a @mx02.computer-universum.info address so far. Test mail delivery

Certificates

First seen at:

CN=mx02.computer-universum.info

Certificate chain
Subject
Common Name (CN)
  • mx02.computer-universum.info
Alternative Names
  • mx02.computer-universum.info
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-04-29
Not valid after
2020-07-28
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
B5:DE:C8:B1:D5:51:CF:9B:85:42:B5:14:3D:E7:F2:D9:4C:79:A2:7C:9E:52:2A:6D:37:29:A2:4E:4E:68:0A:23
SHA1
F0:61:63:76:D3:BC:A0:B6:0F:22:B7:AD:02:21:02:AB:CE:CB:95:2D
X509v3 extensions
subjectKeyIdentifier
  • 10:4A:55:F9:21:0A:85:58:68:9B:9D:DD:E8:29:B6:E6:A0:3A:29:86
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 : F0:95:A4:59:F2:00:D1:82:40:10:2D:2F:93:88:8E:AD:
  • 4B:FE:1D:47:E3:99:E1:D0:34:A6:B0:A8:AA:8E:B2:73
  • Timestamp : Apr 29 11:53:40.547 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:45:90:80:6B:58:7E:9F:1E:D8:46:F2:73:
  • 04:95:B1:5B:81:3B:2D:12:81:D7:47:07:88:EA:10:BE:
  • 43:98:4F:9C:02:20:20:C0:B3:13:A2:29:5B:D5:23:61:
  • 92:E4:A4:2B:12:62:09:3A:5E:B6:4B:3F:4F:7E:E7:84:
  • 54:86:04:4B:F1:A9
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 07:B7:5C:1B:E5:7D:68:FF:F1:B0:C6:1D:23:15:C7:BA:
  • E6:57:7C:57:94:B7:6A:EE:BC:61:3A:1A:69:D3:A2:1C
  • Timestamp : Apr 29 11:53:40.597 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:1A:B0:19:ED:3D:E8:AF:7A:E2:E1:D5:B0:
  • 8A:B4:F0:66:79:A8:58:3A:9E:51:F9:A0:59:FE:AC:74:
  • 53:4B:1A:C1:02:21:00:97:84:F5:C4:BD:49:38:23:71:
  • 89:1C:F5:D6:A5:3E:7B:17:E4:96:CB:31:32:10:A4:B0:
  • B6:2D:B5:03:4E:4E:24