SSL-Tools

SSL check results of mail2.plumserver.de

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Discover if the mail servers for mail2.plumserver.de 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, 09 Jun 2020 00:30:36 +0000

The mailservers of mail2.plumserver.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mail2.plumserver.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail2.plumserver.de
109.235.62.11
 10
supported
mail2.plumserver.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s

Outgoing Mails

We have not received any emails from a @mail2.plumserver.de address so far. Test mail delivery

Certificates

First seen at:

CN=mail2.plumserver.de

Certificate chain
Subject
Common Name (CN)
  • mail2.plumserver.de
Alternative Names
  • mail2.plumserver.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-05-01
Not valid after
2020-07-30
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
FE:F2:80:F3:B2:51:EB:C1:E2:FE:81:EF:11:EB:F2:4C:28:BF:35:88:1C:1F:75:CF:33:36:CC:2A:DD:A7:5E:3C
SHA1
86:8E:DB:47:38:AA:05:B3:0A:21:51:9F:EB:8F:82:0E:9A:4A:52:5E
X509v3 extensions
subjectKeyIdentifier
  • 46:98:D6:B7:50:40:A7:4B:9F:3A:8A:01:80:A7:C0:61:61:B2:95:68
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 : May 1 14:45:26.075 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:CF:22:7D:DE:46:93:CD:21:65:48:6A:
  • BC:C0:EB:E6:6A:8A:C7:78:91:DD:D1:3F:8C:19:1A:88:
  • 22:64:90:38:1D:02:21:00:A1:89:77:6F:0C:B9:B1:F3:
  • BE:F4:E7:42:9F:8F:FD:17:B9:DD:A2:1C:E4:F3:76:8E:
  • 40:85:30:37:BB:2A:2A:A2
  • 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 : May 1 14:45:26.111 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:AB:CF:D9:B3:32:E3:88:75:87:BE:34:
  • 3A:C6:BB:3D:1B:CF:F3:0B:6D:31:20:8D:A2:2A:1D:EA:
  • BE:C7:5C:68:55:02:20:70:D7:E4:54:03:B9:20:AD:2E:
  • 97:3C:40:B9:AB:DC:71:92:DA:03:79:B7:2C:E9:8E:B4:
  • 74:48:9C:5C:38:C5:B5