SSL check results of igh-vt-essen.de

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Discover if the mail servers for igh-vt-essen.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

Report created Thu, 11 Jul 2019 19:41:11 +0000

The mailservers of igh-vt-essen.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @igh-vt-essen.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
smtp-02.tld.t-online.de
194.25.134.12
10
supported
smtp-01.tld.t-online.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
11 s
smtp-01.tld.t-online.de
194.25.134.76
10
supported
smtp-01.tld.t-online.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
11 s

Outgoing Mails

We have not received any emails from a @igh-vt-essen.de address so far. Test mail delivery

Certificates

First seen at:

CN=smtp-01.tld.t-online.de,L=Darmstadt,ST=Hessen,OU=NSO-DS,O=Deutsche Telekom AG,C=DE

Certificate chain
Subject
Country (C)
  • DE
Organization (O)
  • Deutsche Telekom AG
Organizational Unit (OU)
  • NSO-DS
State (ST)
  • Hessen
Locality (L)
  • Darmstadt
Common Name (CN)
  • smtp-01.tld.t-online.de
Alternative Names
  • smtp-01.tld.t-online.de
  • smtp-02.tld.t-online.de
  • smtp.tld.t-online.de
Issuer
Country (C)
  • DE
Organization (O)
  • T-Systems International GmbH
Organizational Unit (OU)
  • T-Systems Trust Center
State (ST)
  • Nordrhein Westfalen
Postal code
  • 57250
Locality (L)
  • Netphen
Street
  • Untere Industriestr. 20
Common Name (CN)
  • TeleSec ServerPass Class 2 CA
validity period
Not valid before
2018-02-02
Not valid after
2020-02-07
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Client Authentication
  • TLS Web Server Authentication
Fingerprints
SHA256
7E:60:CB:62:27:C0:55:34:5E:B2:2A:D2:8F:ED:D5:C3:71:15:09:45:10:AC:88:CA:9E:10:47:78:01:E1:6F:1E
SHA1
24:2F:A6:C1:1A:A6:01:28:4D:AF:76:5D:89:14:75:0D:F4:59:68:3C
X509v3 extensions
authorityKeyIdentifier
  • keyid:94:C8:74:46:F5:3A:B4:46:48:26:F8:2B:CA:34:1E:56:26:04:12:00
subjectKeyIdentifier
  • EB:16:8A:A1:CF:74:5F:5F:4C:8E:46:98:A9:87:E5:D5:C8:13:82:32
certificatePolicies
  • Policy: 1.3.6.1.4.1.7879.13.23.1
  • CPS: http://www.telesec.de/serverpass/cps.html
  • Policy: 2.23.140.1.2.2
crlDistributionPoints
  • Full Name:
  • URI:http://crl.serverpass.telesec.de/rl/ServerPass_Class_2.crl
  • Full Name:
  • URI:ldap://ldap.serverpass.telesec.de/CN=TeleSec%20ServerPass%20Class%202%20CA,OU=T-Systems%20Trust%20Center,O=T-Systems%20International%20GmbH,C=DE?CertificateRevocationList
authorityInfoAccess
  • OCSP - URI:http://ocsp.serverpass.telesec.de/ocspr
  • CA Issuers - URI:http://crl.serverpass.telesec.de/crt/TeleSec_ServerPass_Class_2_CA.cer
  • CA Issuers - URI:ldap://ldap.serverpass.telesec.de/CN=TeleSec%20ServerPass%20Class%202%20CA,OU=T-Systems%20Trust%20Center,O=T-Systems%20International%20GmbH,C=DE?cACertificate