SSL-Tools

SSL check results of smtp.dcpserver.de

NEW You can also bulk check multiple servers.

Discover if the mail servers for smtp.dcpserver.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 Thu, 11 Jan 2024 16:57:16 +0000

The mailservers of smtp.dcpserver.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @smtp.dcpserver.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
smtp.dcpserver.de
212.53.180.34
 -
supported
*.dcpserver.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s
smtp.dcpserver.de
2a00:1f78:af02::34
 -
supported
*.dcpserver.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 @smtp.dcpserver.de address so far. Test mail delivery

Certificates

First seen at:

CN=*.dcpserver.de

Certificate chain
Subject
Common Name (CN)
  • *.dcpserver.de
Alternative Names
  • *.dcpserver.de
  • dcpserver.de
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Organizational Unit (OU)
  • www.digicert.com
Common Name (CN)
  • RapidSSL TLS RSA CA G1
validity period
Not valid before
2023-05-03
Not valid after
2024-06-02
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
AD:52:0F:7D:9D:6B:57:73:CB:C1:37:2C:18:B8:B1:8E:9C:28:F2:78:93:FD:E1:F0:20:73:20:62:EC:3F:32:D1
SHA1
16:EA:5B:43:65:3E:D5:64:BF:91:2C:FC:0F:DF:6F:47:FD:81:1C:9D
X509v3 extensions
authorityKeyIdentifier
  • keyid:0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
subjectKeyIdentifier
  • 36:44:7A:AC:2F:86:1C:DF:DE:A2:C1:D2:E7:24:2F:EF:3A:BA:4E:B8
crlDistributionPoints
  • Full Name:
  • URI:http://cdp.rapidssl.com/RapidSSLTLSRSACAG1.crl
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • CPS: http://www.digicert.com/CPS
authorityInfoAccess
  • OCSP - URI:http://status.rapidssl.com
  • CA Issuers - URI:http://cacerts.rapidssl.com/RapidSSLTLSRSACAG1.crt
ct_precert_scts
  • 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 : May 3 07:02:13.507 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:68:74:0A:A9:44:98:A6:82:15:7E:B8:03:
  • CF:73:5E:A1:0A:79:17:1C:88:A0:06:39:9A:53:D9:4F:
  • 2A:A2:C0:92:02:20:77:12:28:36:74:AC:2D:94:F4:25:
  • D9:6D:D7:8E:4E:92:DC:D9:95:F5:45:18:51:2C:D6:09:
  • 22:89:B4:0E:FD:30
  • 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 : May 3 07:02:13.546 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:11:53:8E:94:6C:F5:CB:43:F7:C8:4F:68:
  • 8A:70:18:C7:9C:F1:65:A9:80:81:8D:04:C6:05:79:2F:
  • D6:FE:63:84:02:21:00:A3:EA:A9:99:A3:A5:79:20:AA:
  • D0:B4:B1:AF:76:0C:B8:31:20:4D:58:DB:CA:E7:E8:48:
  • 74:C0:1E:F6:BC:24:9B
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : DA:B6:BF:6B:3F:B5:B6:22:9F:9B:C2:BB:5C:6B:E8:70:
  • 91:71:6C:BB:51:84:85:34:BD:A4:3D:30:48:D7:FB:AB
  • Timestamp : May 3 07:02:13.495 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:66:F6:8B:E2:DB:4E:6A:F7:31:D2:49:65:
  • 2D:0E:A6:14:A8:B5:40:AB:37:83:B9:55:87:AD:2B:9A:
  • D3:03:25:BF:02:20:55:22:A9:CF:93:80:F4:FA:3F:DA:
  • 58:16:73:E6:4E:C5:B9:C4:9E:8F:4C:E1:6B:D3:A4:34:
  • 9B:9E:1D:C0:3F:B6