SSL-Tools

SSL check results of ttnet.com.tr

NEW You can also bulk check multiple servers.

Discover if the mail servers for ttnet.com.tr 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 Tue, 26 May 2020 22:21:29 +0000

The mailservers of ttnet.com.tr can be reached through an encrypted connection.

However, we found problems that may affect the security.

Servers

Incoming Mails

These servers are responsible for incoming mails to @ttnet.com.tr addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mailhub0.ttnet.com.tr
212.175.13.103
 10
supported
*.turktelekom.com.tr
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
5 s

Outgoing Mails

We have received emails from these servers with @ttnet.com.tr sender addresses. Test mail delivery

Host TLS Version & Cipher
unknown (88.248.55.136)
Insecure - not encrypted!
unknown (78.186.109.7)
Insecure - not encrypted!
unknown (78.186.112.235)
Insecure - not encrypted!
unknown (78.187.193.67)
Insecure - not encrypted!
unknown (78.188.222.90)
Insecure - not encrypted!
unknown (88.255.35.146)
Insecure - not encrypted!

Certificates

First seen at:

CN=*.turktelekom.com.tr,O=TURK TELEKOMUNIKASYON A.S.,OU=TEKNOLOJI BASKANLIGI,L=ANKARA,ST=ANKARA,C=TR

Certificate chain
Subject
Country (C)
  • TR
State (ST)
  • ANKARA
Locality (L)
  • ANKARA
Organizational Unit (OU)
  • TEKNOLOJI BASKANLIGI
Organization (O)
  • TURK TELEKOMUNIKASYON A.S.
Common Name (CN)
  • *.turktelekom.com.tr
Alternative Names
  • *.turktelekom.com.tr
  • turktelekom.com.tr
Issuer
Country (C)
  • BE
Organization (O)
  • GlobalSign nv-sa
Common Name (CN)
  • GlobalSign Organization Validation CA - SHA256 - G2
validity period
Not valid before
2018-07-27
Not valid after
2020-07-24
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
D1:4A:F6:AB:77:E0:68:A9:4C:CF:87:3D:99:C0:4C:EC:35:0C:8D:5C:C8:E3:67:73:B6:58:61:70:D1:AB:BE:A6
SHA1
5E:F8:A6:AE:6A:66:B5:85:BF:A9:CA:F6:F6:04:08:93:9F:97:04:6A
X509v3 extensions
authorityInfoAccess
  • CA Issuers - URI:http://secure.globalsign.com/cacert/gsorganizationvalsha2g2r1.crt
  • OCSP - URI:http://ocsp2.globalsign.com/gsorganizationvalsha2g2
certificatePolicies
  • Policy: 1.3.6.1.4.1.4146.1.20
  • CPS: https://www.globalsign.com/repository/
  • Policy: 2.23.140.1.2.2
crlDistributionPoints
  • Full Name:
  • URI:http://crl.globalsign.com/gs/gsorganizationvalsha2g2.crl
subjectKeyIdentifier
  • 2F:C2:1A:9D:61:25:7C:49:9D:01:FC:98:F9:2C:42:BE:28:ED:39:7C
authorityKeyIdentifier
  • keyid:96:DE:61:F1:BD:1C:16:29:53:1C:C0:CC:7D:3B:83:00:40:E6:1A:7C
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 55:81:D4:C2:16:90:36:01:4A:EA:0B:9B:57:3C:53:F0:
  • C0:E4:38:78:70:25:08:17:2F:A3:AA:1D:07:13:D3:0C
  • Timestamp : Jul 27 07:42:06.871 2018 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:52:9D:61:3A:7A:6C:45:C3:76:9C:25:42:
  • CD:4B:08:1A:9C:8F:E6:CD:34:D1:E0:A7:17:45:37:EC:
  • C5:E6:8D:9F:02:21:00:D4:DD:E2:68:2F:C6:9D:91:39:
  • 85:BE:86:EC:8F:0D:A1:0C:2D:F3:DD:CA:ED:86:98:7A:
  • 39:31:3D:C8:B0:0B:D3
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : A4:B9:09:90:B4:18:58:14:87:BB:13:A2:CC:67:70:0A:
  • 3C:35:98:04:F9:1B:DF:B8:E3:77:CD:0E:C8:0D:DC:10
  • Timestamp : Jul 27 07:42:07.728 2018 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:B0:71:E9:DB:9D:90:9C:00:84:0F:EB:
  • 1F:C4:80:C9:38:7C:53:DF:7E:85:63:6D:29:28:78:5C:
  • C7:BB:48:D8:A5:02:20:50:6B:B1:4C:D9:FC:88:6A:BA:
  • 85:CA:4E:62:F0:A8:4E:1B:5D:7F:DC:AA:BE:66:C6:E8:
  • 95:2D:E3:68:BB:8F:30
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 6F:53:76:AC:31:F0:31:19:D8:99:00:A4:51:15:FF:77:
  • 15:1C:11:D9:02:C1:00:29:06:8D:B2:08:9A:37:D9:13
  • Timestamp : Jul 27 07:42:06.901 2018 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:F0:E3:07:5C:D1:AC:0A:7D:21:61:27:
  • 3A:FF:85:22:7A:2D:DE:21:89:7A:0D:FB:E9:1F:95:74:
  • 79:50:87:91:F7:02:21:00:D5:B3:0B:DA:95:73:2F:65:
  • CC:F3:23:23:C3:ED:BF:B2:57:19:E6:09:52:AE:DC:1E:
  • B6:FC:CA:F1:B5:0D:30:2E