SSL-Tools

SSL check results of dmken.com

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Discover if the mail servers for dmken.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

JSON Refresh

Report created Sat, 20 Jun 2020 00:31:19 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.frisp.org
94.249.254.51
 1
supported
frisp.org
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
8 s

Outgoing Mails

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

Certificates

First seen at:

CN=frisp.org

Certificate chain
Subject
Common Name (CN)
  • frisp.org
Alternative Names
  • cloud.frisp.org
  • fff.frisp.org
  • frisp.org
  • imap.frisp.org
  • imgstats.frisp.org
  • ldap.frisp.org
  • mail.frisp.org
  • md.frisp.org
  • meet.frisp.org
  • projects.frisp.org
  • smtp.frisp.org
  • sonar.frisp.org
  • sso.frisp.org
  • stats.frisp.org
  • sync.frisp.org
  • www.frisp.org
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-05-31
Not valid after
2020-08-29
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
D5:A1:CC:75:DA:D1:01:A5:A2:DE:8F:AC:96:95:39:BF:F3:07:E3:88:3D:9C:A6:43:BD:A2:8F:60:87:B1:EB:E3
SHA1
37:34:74:9C:A3:42:3C:30:C8:B3:B2:CF:C8:8C:5F:89:46:D7:57:BE
X509v3 extensions
subjectKeyIdentifier
  • E2:0F:F2:7E:32:66:6B:2D:B2:3D:71:7D:1E:2C:EC:06:E7:3B:B8:FE
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 : 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 : May 31 17:10:27.246 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:47:7D:5C:F5:99:F7:05:E8:FE:ED:F6:8C:
  • F9:0B:CD:60:4E:E3:3C:35:8D:7B:98:19:FD:A2:74:63:
  • 83:46:90:73:02:20:78:89:A0:32:07:D9:1A:A1:30:A0:
  • 8D:12:51:4D:A5:24:E1:4A:B4:0A:C6:F6:44:40:9F:FC:
  • A5:B4:98:0A:87:50
  • 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 : May 31 17:10:27.273 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:C2:27:D0:C7:F0:04:71:76:8F:53:A2:
  • 66:91:4D:F7:BF:D2:A8:D4:FE:80:CF:82:2A:58:3A:50:
  • 32:0B:EF:DE:F1:02:20:4C:28:98:5E:B4:95:63:C2:F9:
  • 27:3B:8F:51:89:31:FC:F0:43:CA:6E:A1:0C:5E:57:9C:
  • 24:7E:11:D7:ED:37:3B