SSL-Tools

SSL check results of mail-1.itk-vs.de

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Discover if the mail servers for mail-1.itk-vs.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, 21 Aug 2026 13:43:03 +0000

The mailservers of mail-1.itk-vs.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mail-1.itk-vs.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail-1.itk-vs.de
185.217.248.68
 10
supported
*.itk-vs.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
mail-2.itk-vs.de
185.217.248.69
 20
supported
*.itk-vs.de
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 @mail-1.itk-vs.de address so far. Test mail delivery

Certificates

First seen at:

CN=*.itk-vs.de

Certificate chain
Subject
Common Name (CN)
  • *.itk-vs.de
Alternative Names
  • *.itk-vs.de
  • itk-vs.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
2026-08-21
Not valid after
2027-03-07
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
46:96:29:88:3E:7A:D0:89:2F:CC:F1:C3:41:92:A8:04:FC:57:E8:1C:32:4F:B4:5F:F4:90:D0:64:DC:16:6D:7B
SHA1
CA:BD:84:3F:2D:DD:11:D2:74:22:3C:15:0B:00:97:0B:12:34:30:C7
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
  • 53:ED:9F:DC:FB:5F:15:0A:17:00:25:D7:19:37:0C:79:48:D8:68:AB
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • CPS: http://www.digicert.com/CPS
crlDistributionPoints
  • Full Name:
  • URI:http://cdp.rapidssl.com/RapidSSLTLSRSACAG1.crl
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 : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F:
  • AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26
  • Timestamp : Aug 21 10:52:26.288 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:1F:62:E1:23:55:AE:F0:4A:33:68:74:B2:8B:
  • BA:66:E3:D2:F1:08:9D:F3:0B:1B:73:DE:70:67:1B:D7:
  • 3B:11:ED:02:21:00:96:97:BD:B6:B6:72:79:B3:F9:54:
  • CE:E9:64:EB:6F:10:E6:D6:E9:C0:96:70:C3:60:9B:61:
  • 5D:C5:15:C9:7D:BB
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1:
  • BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66
  • Timestamp : Aug 21 10:52:26.369 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:10:29:62:6B:F2:BC:D0:AC:C9:FE:D4:90:
  • B6:90:4F:6A:8F:C0:76:43:E5:AC:0C:3B:6E:0C:19:31:
  • 8C:2A:F0:12:02:20:0C:C6:F2:70:B8:87:7B:E0:09:30:
  • FD:3D:AE:27:9D:DC:36:3C:70:82:DB:94:7F:5A:DE:83:
  • ED:54:29:57:B2:52
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 1C:9F:68:2C:E9:FA:F0:45:69:50:F8:1B:96:8A:87:DD:
  • DB:32:10:D8:4C:E6:C8:B2:E3:82:52:4A:C4:CF:59:9F
  • Timestamp : Aug 21 10:52:26.377 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:BC:6D:36:9C:4F:AF:C5:65:AD:E7:05:
  • 4B:CD:7B:A5:2C:04:69:26:F3:62:73:7E:F9:1B:85:90:
  • 72:67:B6:C6:F2:02:20:3F:24:92:5A:CB:F2:4E:3B:1A:
  • DE:90:FF:A7:80:80:78:19:95:C7:7F:69:50:2A:E8:46:
  • BA:0D:9B:2C:02:95:A2