SSL check results of sinet.com.kh

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Discover if the mail servers for sinet.com.kh 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 Fri, 19 Jul 2019 17:19:42 +0000

The mailservers of sinet.com.kh 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 @sinet.com.kh addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mx1.sinet.com.kh
203.217.168.34
10
supported
mail.sinet.com.kh
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
supported
  • SSL_RSA_EXPORT_WITH_RC4_40_MD5
  • SSL_RSA_WITH_RC4_128_SHA
  • TLSv1.0
  • SSLv3
7 s
mx2.sinet.com.kh
203.217.168.24
20
supported
mx3.sinet.com.kh
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
supported
  • ECDHE_RSA_WITH_RC4_128_SHA
  • SSL_RSA_WITH_RC4_128_SHA
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
19 s

Outgoing Mails

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

Host TLS Version & Cipher
unknown (96.9.76.51)
Insecure - not encrypted!
unknown (96.9.83.13)
Insecure - not encrypted!
unknown (136.228.150.175)
Insecure - not encrypted!

Certificates

First seen at:

CN=mx3.sinet.com.kh

Certificate chain
  • mx3.sinet.com.kh (Certificate is self-signed.)
    • remaining
    • 2048 bit
    • sha1WithRSAEncryption
    • Hostname Mismatch
    • Unknown Authority

Subject
Common Name (CN)
  • mx3.sinet.com.kh
Issuer

Certificate is self-signed.

validity period
Not valid before
2013-05-21
Not valid after
2023-05-19
Fingerprints
SHA256
A9:B3:7A:64:7A:6C:89:F4:5A:D3:D1:75:FC:4E:0B:7E:B7:02:CF:6C:12:2B:C4:91:16:A2:EB:39:5E:3D:37:E7
SHA1
99:7C:F3:C7:15:EA:FD:E8:5F:32:F8:26:A6:D1:7A:8D:93:5D:A2:76
First seen at:

CN=mail.sinet.com.kh

Certificate chain
  • mail.sinet.com.kh
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Hostname Mismatch
    • Unknown Authority

      Let's Encrypt Authority X3
Subject
Common Name (CN)
  • mail.sinet.com.kh
Alternative Names
  • mail.sinet.com.kh
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2019-07-01
Not valid after
2019-09-29
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
BF:9B:88:3B:C9:A2:B3:DB:17:28:BB:4E:F0:1B:A2:2C:72:4E:69:A2:4E:92:4A:EA:8C:4D:AB:BB:05:18:90:EA
SHA1
34:64:E4:2F:C4:1C:5B:1F:7D:98:46:7D:66:85:F4:1D:CF:73:35:BB
X509v3 extensions
subjectKeyIdentifier
  • 5D:BB:1D:AE:B4:20:02:A7:03:5E:D1:04:16:F1:C6:BB:E1:5B:CC:5A
authorityKeyIdentifier
  • keyid:A8:4A:6A:63:04:7D:DD:BA:E6:D1:39:B7:A6:45:65:EF:F3:A8:EC:A1
authorityInfoAccess
  • OCSP - URI:http://ocsp.int-x3.letsencrypt.org
  • CA Issuers - URI:http://cert.int-x3.letsencrypt.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • Policy: 1.3.6.1.4.1.44947.1.1.1
  • CPS: http://cps.letsencrypt.org
ct_precert_scts
  • 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 1 02:39:31.644 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:33:EA:38:B4:34:9B:01:30:9B:BC:C0:46:
  • 1D:A6:F6:B9:8A:BF:1F:D2:85:38:57:E6:97:AE:89:20:
  • 4D:5A:F6:40:02:21:00:A0:09:AD:98:7B:91:39:5A:21:
  • 22:06:0A:0A:3D:2B:80:D3:1B:86:9E:57:3B:3E:D8:94:
  • 75:4C:6B:1A:AA:CF:57
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 29:3C:51:96:54:C8:39:65:BA:AA:50:FC:58:07:D4:B7:
  • 6F:BF:58:7A:29:72:DC:A4:C3:0C:F4:E5:45:47:F4:78
  • Timestamp : Jul 1 02:39:31.474 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:96:27:69:EF:9D:1A:D1:74:CC:09:9F:
  • 1C:0D:1B:0C:44:50:38:DC:51:D7:63:52:2F:3A:D6:79:
  • 6E:0A:86:6E:31:02:20:6B:80:DF:F1:49:F4:7D:92:6B:
  • D7:1A:9B:C4:BE:7E:D2:1B:DC:C1:6E:C1:4C:33:0A:91:
  • D0:FB:38:34:05:12:87