SSL-Tools

SSL check results of turktelekom.com.tr

NEW You can also bulk check multiple servers.

Discover if the mail servers for turktelekom.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 Thu, 21 Jul 2022 09:25:46 +0000

The mailservers of turktelekom.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 @turktelekom.com.tr addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mx01.turktelekom.com.tr
212.175.13.103
 10
supported
*.turktelekom.com.tr
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.0
  • SSLv3
38 s
mx03.turktelekom.com.tr
195.175.238.13
 20
supported
*.turktelekom.com.tr
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
37 s

Outgoing Mails

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

Host TLS Version & Cipher
unknown (212.156.86.226)
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
  • *.turktelekom.com.tr
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Unknown Authority
      GlobalSign RSA OV SSL CA 2018
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 RSA OV SSL CA 2018
validity period
Not valid before
2021-06-25
Not valid after
2022-07-27
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
B9:14:3A:97:0E:9F:80:F6:81:87:64:6B:2B:7B:97:C6:1F:C6:F4:23:81:B8:0D:6D:46:AE:29:D3:3B:14:BD:8F
SHA1
AE:60:0C:B3:F4:71:91:CC:64:DE:98:6E:65:5B:EF:73:48:FB:4C:C6
X509v3 extensions
authorityInfoAccess
  • CA Issuers - URI:http://secure.globalsign.com/cacert/gsrsaovsslca2018.crt
  • OCSP - URI:http://ocsp.globalsign.com/gsrsaovsslca2018
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/gsrsaovsslca2018.crl
authorityKeyIdentifier
  • keyid:F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
subjectKeyIdentifier
  • D0:EF:20:F4:73:64:DF:A4:6A:22:53:84:2E:37:3C:28:21:AE:6D:EF
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 22:45:45:07:59:55:24:56:96:3F:A1:2F:F1:F7:6D:86:
  • E0:23:26:63:AD:C0:4B:7F:5D:C6:83:5C:6E:E2:0F:02
  • Timestamp : Jun 25 08:46:13.041 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:0D:70:B3:4F:E1:78:13:75:AB:E6:96:8D:
  • F5:D6:95:63:56:2D:2E:2D:E8:49:53:A9:C3:53:DC:A9:
  • E8:40:D3:23:02:21:00:8F:68:0F:10:B8:57:BD:42:EA:
  • EB:EF:D8:28:EE:D5:1F:66:07:2E:75:98:7B:75:EA:64:
  • 54:59:5A:1E:89:27:93
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 29:79:BE:F0:9E:39:39:21:F0:56:73:9F:63:A5:77:E5:
  • BE:57:7D:9C:60:0A:F8:F9:4D:5D:26:5C:25:5D:C7:84
  • Timestamp : Jun 25 08:46:13.024 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:91:59:D5:DD:56:09:C4:2E:5C:39:4C:
  • 48:C3:8F:53:79:F5:E4:B3:04:12:91:FB:0C:53:94:FC:
  • D8:56:BB:77:CE:02:21:00:E6:77:5A:2C:B8:87:16:D1:
  • 6F:FE:64:08:55:A1:E2:38:CE:46:39:78:AC:54:5B:C4:
  • D4:E0:A6:79:60:D6:D4:C2
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 51:A3:B0:F5:FD:01:79:9C:56:6D:B8:37:78:8F:0C:A4:
  • 7A:CC:1B:27:CB:F7:9E:88:42:9A:0D:FE:D4:8B:05:E5
  • Timestamp : Jun 25 08:46:13.074 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:DD:45:0D:F4:49:B7:EA:F1:D3:93:AE:
  • 67:50:9E:BE:1C:B5:E6:0A:14:5C:72:67:C8:CF:3B:78:
  • C3:88:65:64:D9:02:21:00:CC:D1:02:76:BC:D0:64:CA:
  • E6:02:28:84:12:16:1D:BA:5C:C5:CC:62:2E:64:59:11:
  • 0A:B4:26:99:21:42:47:F8