SSL-Tools

SSL check results of gelsennet.de

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Discover if the mail servers for gelsennet.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 Fri, 15 Mar 2024 06:59:18 +0000

No connection to the mailservers of gelsennet.de could be established.

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mx2.gelsennet.de
185.159.32.7
Results incomplete
10
supported
*.gelsennet.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
mx1.gelsennet.de
185.159.32.6
Results incomplete
10
supported
*.gelsennet.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s

Outgoing Mails

We have received emails from these servers with @gelsennet.de sender addresses. Test mail delivery

Host TLS Version & Cipher
mxout03do.versatel.de (IPv6:2001:1438:2:204::13)
TLSv1.2 ADH-AES256-GCM-SHA384

Certificates

First seen at:

CN=*.gelsennet.de

Certificate chain
Subject
Common Name (CN)
  • *.gelsennet.de
Alternative Names
  • *.gelsennet.de
  • gelsennet.de
Issuer
Country (C)
  • GB
State (ST)
  • Greater Manchester
Locality (L)
  • Salford
Organization (O)
  • Sectigo Limited
Common Name (CN)
  • Sectigo RSA Domain Validation Secure Server CA
validity period
Not valid before
2023-10-30
Not valid after
2024-10-29
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
EB:1E:B8:63:C5:D9:7A:9F:01:8D:09:26:6A:15:0A:CC:E6:6F:E3:F3:95:81:3C:93:E0:53:72:27:DA:40:CC:6A
SHA1
A1:0F:48:57:A4:F6:C3:65:0F:EF:53:1E:55:F5:CD:CD:84:44:E5:AF
X509v3 extensions
authorityKeyIdentifier
  • keyid:8D:8C:5E:C4:54:AD:8A:E1:77:E9:9B:F9:9B:05:E1:B8:01:8D:61:E1
subjectKeyIdentifier
  • 39:40:7A:BC:F2:A3:7F:C3:BA:F4:1D:D1:1E:54:11:94:77:2F:26:22
certificatePolicies
  • Policy: 1.3.6.1.4.1.6449.1.2.2.7
  • CPS: https://sectigo.com/CPS
  • Policy: 2.23.140.1.2.1
authorityInfoAccess
  • CA Issuers - URI:http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt
  • OCSP - URI:http://ocsp.sectigo.com
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 76:FF:88:3F:0A:B6:FB:95:51:C2:61:CC:F5:87:BA:34:
  • B4:A4:CD:BB:29:DC:68:42:0A:9F:E6:67:4C:5A:3A:74
  • Timestamp : Oct 30 11:37:30.910 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:AA:8D:6C:E5:BB:75:09:58:96:1E:DC:
  • B5:1E:85:DD:DC:1D:53:5B:4D:C6:AA:73:91:80:13:07:
  • 46:8E:9C:CC:CA:02:21:00:90:4A:E8:0D:5B:4E:41:FF:
  • 97:1C:DB:0A:13:82:CF:94:99:5B:A1:15:D7:FC:E0:AF:
  • D6:38:37:0C:EA:36:A5:65
  • 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 : Oct 30 11:37:30.998 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:BC:AE:AD:EE:1B:D2:9F:0A:7D:3E:3E:
  • 52:3E:51:F4:20:92:FE:D4:8B:F8:4D:CC:7D:31:0C:09:
  • 41:00:77:43:BD:02:20:79:F8:B1:5A:7E:E6:7F:B5:83:
  • C8:0B:C4:B7:06:6A:93:57:06:FB:AF:50:36:46:B1:B1:
  • D9:93:5E:22:FC:BD:DA
  • 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 : Oct 30 11:37:30.958 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:4A:9F:AB:3C:E9:88:8F:E9:13:56:8B:0F:
  • B0:A4:ED:53:A2:CD:32:D0:47:C2:38:2A:D8:A3:90:80:
  • 26:E0:5C:3E:02:20:65:B2:9D:01:52:9A:D9:90:6B:DF:
  • 6C:BC:E9:B2:97:0F:61:A1:15:DF:4C:22:E4:40:15:42:
  • 79:0E:FE:6F:E6:E3