SSL-Tools

SSL check results of zhongan.io

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Discover if the mail servers for zhongan.io 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 Fri, 13 May 2022 03:16:49 +0000

The mailservers of zhongan.io can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @zhongan.io addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mxbiz1.qq.com
43.135.105.167
 5
supported
pop.qq.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
22 s
mxbiz1.qq.com
43.135.106.102
 5
supported
pop.qq.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
21 s
mxbiz2.qq.com
157.255.5.200
 10
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
157.148.57.77
 10
supported
pop.qq.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
24 s

Outgoing Mails

We have not received any emails from a @zhongan.io 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
2021-11-17
Not valid after
2022-12-16
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
A7:47:7C:07:F1:3C:BE:0F:C7:27:27:C7:8B:5C:B5:11:D1:83:0A:03:C1:8C:44:28:E9:E7:19:4F:F7:D3:07:BC
SHA1
01:2A:F0:F5:00:0A:40:22:A6:3B:89:45:16:E2:8D:E1:FB:7A:3C:6C
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
  • 34:7E:20:68:41:A7:65:8B:72:D0:73:A4:D2:A7:D0:D9:D1:5D:65:9C
crlDistributionPoints
  • Full Name:
  • URI:http://crl.digicert.cn/DigiCertSecureSiteCNCAG3.crl
certificatePolicies
  • Policy: 2.23.140.1.2.2
  • CPS: http://www.digicert.com/CPS
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 : 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 : Nov 17 02:40:30.100 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:BF:C5:9E:00:6D:4C:27:F3:95:60:7F:
  • 69:21:B5:8D:4E:B9:CF:52:F7:BA:3D:FF:79:55:D0:1D:
  • 94:C8:53:88:21:02:21:00:CA:BC:F4:68:AA:71:CB:D5:
  • 14:7C:19:03:8E:5E:3A:BF:F9:E8:BF:D3:D6:1C:95:0F:
  • 61:E9:BA:D8:E4:C7:ED:0C
  • 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 : Nov 17 02:40:30.063 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:9E:76:61:64:9A:CB:6D:A9:89:AA:23:
  • 12:F6:C0:13:96:A9:38:7A:B7:B0:44:BF:7B:49:B6:D2:
  • F5:EC:96:BF:7A:02:21:00:F7:EA:25:9B:A1:69:A9:80:
  • 04:D0:81:EA:56:AD:42:86:86:44:AA:F9:29:CF:30:B8:
  • 6F:AF:08:C9:9B:43:26:F9
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 41:C8:CA:B1:DF:22:46:4A:10:C6:A1:3A:09:42:87:5E:
  • 4E:31:8B:1B:03:EB:EB:4B:C7:68:F0:90:62:96:06:F6
  • Timestamp : Nov 17 02:40:29.973 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:85:CC:6A:7D:4D:2E:07:2A:56:BC:C3:
  • E7:8E:60:B2:26:77:F8:97:39:F1:38:AA:0D:D4:2F:D0:
  • 30:94:67:F2:5F:02:21:00:9D:62:B0:33:FA:47:68:3A:
  • 88:16:09:4F:6C:DC:9D:17:A9:E8:0E:0B:ED:6B:2F:64:
  • 25:91:3F:A7:06:85:AA:C6