SSL-Tools

SSL check results of cloudwalk.com

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Discover if the mail servers for cloudwalk.com 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, 03 Aug 2021 05:04:37 +0000

The mailservers of cloudwalk.com can be reached through a secure connection.

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mxbiz1.qq.com
203.205.232.191
 5
supported
pop.qq.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
24 s
mxbiz2.qq.com
163.177.89.176
 10
supported
pop.qq.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
22 s
mxbiz2.qq.com
61.241.49.98
 10
supported
pop.qq.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
22 s

Outgoing Mails

We have not received any emails from a @cloudwalk.com address so far. Test mail delivery

Certificates

First seen at:

CN=pop.qq.com,O=Tencent Technology (Shenzhen) Company Limited,L=Shenzhen,ST=Guangdong Province,C=CN

Certificate chain
Subject
Country (C)
  • CN
State (ST)
  • Guangdong Province
Locality (L)
  • Shenzhen
Organization (O)
  • Tencent Technology (Shenzhen) Company Limited
Common Name (CN)
  • pop.qq.com
Alternative Names
  • pop.qq.com
  • dav.qq.com
  • ex.qq.com
  • smtp.qq.com
  • mx1.qq.com
  • imap.qq.com
  • mx2.qq.com
  • mxbiz2.qq.com
  • mxbiz1.qq.com
  • cloudmx.qq.com
  • mx3.qq.com
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Common Name (CN)
  • DigiCert Secure Site CN CA G3
validity period
Not valid before
2020-11-16
Not valid after
2021-12-14
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
66:20:E1:C4:6C:28:F9:44:5F:60:AC:57:AA:6F:39:91:FF:6C:ED:D6:D3:0F:05:09:D9:00:B1:7D:BB:AF:26:62
SHA1
59:07:FC:52:70:D9:2F:D7:54:8B:51:37:75:53:6F:62:91:D2:56:8E
X509v3 extensions
authorityKeyIdentifier
  • keyid:44:D9:C8:4A:33:8E:D3:52:8D:A7:92:94:61:1F:9A:C8:A5:B7:EC:CB
subjectKeyIdentifier
  • D4:EB:09:A3:B2:E1:B3:D8:AC:57:C1:BD:21:2D:18:61:FA:0F:38:F2
crlDistributionPoints
  • Full Name:
  • URI:http://crl.digicert.cn/DigiCertSecureSiteCNCAG3.crl
certificatePolicies
  • Policy: 2.16.840.1.114412.1.1
  • CPS: https://www.digicert.com/CPS
  • Policy: 2.23.140.1.2.2
authorityInfoAccess
  • OCSP - URI:http://ocsp.digicert.cn
  • CA Issuers - URI:http://cacerts.digicert.cn/DigiCertSecureSiteCNCAG3.crt
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : F6:5C:94:2F:D1:77:30:22:14:54:18:08:30:94:56:8E:
  • E3:4D:13:19:33:BF:DF:0C:2F:20:0B:CC:4E:F1:64:E3
  • Timestamp : Nov 16 08:09:42.799 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:A9:3F:5D:72:3C:FE:90:B4:B6:40:C4:
  • A5:78:19:64:31:5A:79:7A:27:4D:40:A9:39:A6:AD:0C:
  • F6:47:F6:F2:8D:02:20:23:5E:98:43:A5:0E:57:99:23:
  • FE:D2:73:25:F6:CF:28:21:E4:98:D3:DD:19:2A:55:3D:
  • 77:83:CE:2B:2C:DE:2C
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 5C:DC:43:92:FE:E6:AB:45:44:B1:5E:9A:D4:56:E6:10:
  • 37:FB:D5:FA:47:DC:A1:73:94:B2:5E:E6:F6:C7:0E:CA
  • Timestamp : Nov 16 08:09:42.862 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:4B:D6:99:6E:40:8D:2B:04:14:C0:56:2F:
  • 4B:3E:5F:75:EC:E4:B4:26:03:64:7D:5F:5E:5C:FF:BC:
  • 4B:AB:3F:6F:02:21:00:B4:9C:EF:DE:07:5C:3F:04:F6:
  • C8:61:66:15:F4:BD:E4:CA:E6:EB:1C:B1:CB:08:EB:24:
  • F6:62:0B:86:62:49:2E