SSL-Tools

SSL check results of buermann.de

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Discover if the mail servers for buermann.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, 28 Mar 2024 16:40:46 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
edgarserver.org
87.106.1.39
 10
supported
www.edgarserver.org
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 @buermann.de address so far. Test mail delivery

Certificates

First seen at:

CN=www.edgarserver.org,O=Jörg Bürmann - Immobilien,L=Göttingen,ST=Niedersachsen,C=DE

Certificate chain
Subject
Country (C)
  • DE
State (ST)
  • Niedersachsen
Locality (L)
  • Göttingen
Organization (O)
  • Jörg Bürmann - Immobilien
Common Name (CN)
  • www.edgarserver.org
Alternative Names
  • www.edgarserver.org
  • edgarserver.org
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Organizational Unit (OU)
  • www.digicert.com
Common Name (CN)
  • GeoTrust TLS RSA CA G1
validity period
Not valid before
2023-05-17
Not valid after
2024-05-20
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
18:AC:09:C9:92:C8:2D:B4:D6:E2:EA:E4:82:E5:E7:6F:B9:3F:6B:95:3E:DB:85:4A:1F:85:B7:A2:4E:A3:DD:F3
SHA1
A2:96:B8:1D:76:30:67:3D:8E:CB:14:D2:2C:48:05:94:9D:AA:EB:AD
X509v3 extensions
authorityKeyIdentifier
  • keyid:94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
subjectKeyIdentifier
  • 02:8D:C9:6E:57:9A:C4:28:07:D6:70:59:05:A6:55:BC:2B:B1:2A:7A
crlDistributionPoints
  • Full Name:
  • URI:http://cdp.geotrust.com/GeoTrustTLSRSACAG1.crl
certificatePolicies
  • Policy: 2.23.140.1.2.2
  • CPS: http://www.digicert.com/CPS
authorityInfoAccess
  • OCSP - URI:http://status.geotrust.com
  • CA Issuers - URI:http://cacerts.geotrust.com/GeoTrustTLSRSACAG1.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 17 08:27:47.190 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:7E:0D:3A:AD:3C:0C:68:0C:80:90:6E:6C:
  • 68:38:26:31:86:BB:7C:DC:01:19:75:3B:BA:5B:73:0C:
  • 28:23:14:00:02:21:00:BC:60:68:59:3C:C0:9D:DB:1B:
  • EE:1F:1A:58:10:C5:56:6C:A2:F8:DC:44:34:06:29:9F:
  • 25:76:BC:69:56:B8:E5
  • 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 17 08:27:47.161 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:74:3C:D6:1D:29:CD:9D:88:33:8E:17:88:
  • 92:B7:A3:6E:34:BF:E1:0D:DF:5B:4E:D6:38:B3:D9:7D:
  • 92:27:90:D1:02:21:00:98:A4:27:CE:C5:C4:F0:16:AA:
  • 42:41:E8:6C:7A:5C:84:8F:C3:17:EA:FE:F8:3C:75:6C:
  • 1B:C0:0B:D7:5F:CB:05
  • 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 17 08:27:47.111 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:E9:F9:B5:C0:78:BB:45:1C:36:92:BE:
  • A9:D8:BA:DF:B2:63:2A:28:22:6B:8F:2A:BC:66:A8:87:
  • 6D:C3:82:08:3C:02:20:6F:59:66:77:85:66:CC:B2:FB:
  • F1:D3:3E:A6:D0:1A:74:BE:34:81:86:C9:46:EC:4A:F0:
  • CD:02:41:A4:5C:F8:B3