SSL-Tools

SSL check results of m-akustik.de

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Discover if the mail servers for m-akustik.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 Wed, 29 Oct 2025 07:16:37 +0000

We can not guarantee a secure connection to the mailservers of m-akustik.de!

Please contact the operator of m-akustik.de and ask him or her to solve this problem. This result stays accessible under the following address:

/mailservers/m-akustik.de

Servers

Incoming Mails

These servers are responsible for incoming mails to @m-akustik.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.m-akustik.de
81.14.231.10
 10
supported
mail.m-akustik.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.0
  • SSLv3
1 s
mail.unielectronic.com
85.13.164.162
Results incomplete
20
supported
not checked
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s

Outgoing Mails

We have not received any emails from a @m-akustik.de address so far. Test mail delivery

Certificates

First seen at:

emailAddress=swaltemathe@m-akustik.de,CN=mail.m-akustik.de,O=M-Akustik GmbH,C=DE

Certificate chain
  • mail.m-akustik.de
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Unknown Authority
      m-akustik-M-AKUSTIK-1-CA
Subject
Country (C)
  • DE
Organization (O)
  • M-Akustik GmbH
Common Name (CN)
  • mail.m-akustik.de
Email
  • swaltemathe@m-akustik.de
Alternative Names
  • mail.m-akustik.de
  • mail.unielectronic.com
  • mail.unielectronic.de
  • autodiscover.m-akustik.de
  • autodiscover.unielectronic.com
  • autodiscover.unielectronic.de
  • m-akustik-1.m-akustik.local
Issuer
Common Name (CN)
  • m-akustik-M-AKUSTIK-1-CA
validity period
Not valid before
2025-08-23
Not valid after
2027-08-23
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
Fingerprints
SHA256
92:69:86:8D:63:1C:44:70:A0:7E:7C:FA:CB:D8:5D:E7:98:52:FF:81:EF:48:CE:80:DD:79:A3:DC:D6:6A:82:04
SHA1
D1:24:46:1E:36:8F:13:52:DB:C9:AE:1E:7C:A2:90:ED:E4:0C:F8:9E
X509v3 extensions
1_3_6_1_4_1_311_21_7
  • 0..&+.....7.....;.........../....K...
  • ...;..e...
1_3_6_1_4_1_311_21_10
  • 0.0
  • ..+.......
SMIME-CAPS
  • 0..0...`.H.e...*0...`.H.e...-0...`.H.e....0...`.H.e....0...`.H.e....0...`.H.e....0
  • ..*.H.. ..0...+....0...*.H.. ......0...*.H.. ......
subjectKeyIdentifier
  • 92:19:35:BF:DE:74:44:A7:42:76:84:E8:85:2B:6B:B8:05:27:4C:FB
authorityKeyIdentifier
  • keyid:A8:A3:4F:02:1C:65:AD:5D:9C:76:5F:75:3A:43:1C:42:CD:32:0B:34
crlDistributionPoints
  • Full Name:
  • URI:ldap:///CN=m-akustik-M-AKUSTIK-1-CA(4),CN=M-AKUSTIK-1,CN=CDP,CN=Public%20Key%20Services,CN=Services,CN=Configuration,DC=m-akustik,DC=local?certificateRevocationList?base?objectClass=cRLDistributionPoint
authorityInfoAccess
  • CA Issuers - URI:ldap:///CN=m-akustik-M-AKUSTIK-1-CA,CN=AIA,CN=Public%20Key%20Services,CN=Services,CN=Configuration,DC=m-akustik,DC=local?cACertificate?base?objectClass=certificationAuthority