SSL check results of unionstars.com.cn

NEW You can also bulk check multiple servers.

Discover if the mail servers for unionstars.com.cn 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 Mon, 25 Mar 2024 16:00:40 +0000

We can not guarantee a secure connection to the mailservers of unionstars.com.cn!

Please contact the operator of unionstars.com.cn and ask him or her to solve this problem. This result stays accessible under the following address:

/mailservers/unionstars.com.cn

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
unionstars-com-cn.mail.protection.outlook.com
52.101.132.28
Results incomplete
50
supported
not checked
DANE
missing
PFS
not checked
Heartbleed
not vulnerable
Weak ciphers
not checked
2 s
unionstars-com-cn.mail.protection.outlook.com
52.101.137.0
Results incomplete
50
supported
not checked
DANE
missing
PFS
not checked
Heartbleed
not vulnerable
Weak ciphers
not checked
1 s
unionstars-com-cn.mail.protection.outlook.com
52.101.137.2
Results incomplete
50
supported
not checked
DANE
missing
PFS
not checked
Heartbleed
not vulnerable
Weak ciphers
not checked
1 s
unionstars-com-cn.mail.protection.outlook.com
52.101.132.30
Results incomplete
50
supported
not checked
DANE
missing
PFS
not checked
Heartbleed
not vulnerable
Weak ciphers
not checked
2 s
smtp.unionstars.com.cn
58.246.125.158
100
supported
us-mail02.unionstars.com.cn
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
7 s

Outgoing Mails

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

Certificates

First seen at:

CN=us-mail02.unionstars.com.cn

Certificate chain
Subject
Common Name (CN)
  • us-mail02.unionstars.com.cn
Alternative Names
  • us-mail02.unionstars.com.cn
Issuer
Domain Component (DC)
  • cn
  • com
  • unionstars
Common Name (CN)
  • unionstars-CA
validity period
Not valid before
2023-11-07
Not valid after
2024-11-06
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Client Authentication
  • TLS Web Server Authentication
Fingerprints
SHA256
A7:AB:4F:02:20:A4:ED:AA:BC:C3:1E:D7:F3:40:B9:20:00:1A:C4:35:C6:D9:7B:F0:44:9E:9F:62:D2:56:21:34
SHA1
ED:0B:3A:FB:16:6E:A6:D2:C2:20:AA:53:3E:5F:E7:75:A2:E4:4D:64
X509v3 extensions
1_3_6_1_4_1_311_20_2
  • ...M.a.c.h.i.n.e
1_3_6_1_4_1_311_25_2
  • 0@.>.
  • +.....7....0..S-1-5-21-3586413397-1916056023-837827516-38106
subjectKeyIdentifier
  • F9:44:09:97:9A:27:71:F0:B7:F2:9E:B9:69:33:F9:1A:EF:26:26:E4
authorityKeyIdentifier
  • keyid:5B:2D:89:93:DC:97:26:4D:89:83:4F:A5:21:A4:60:DA:4A:C8:04:2D
crlDistributionPoints
  • Full Name:
  • URI:ldap:///CN=unionstars-CA,CN=us-dc1,CN=CDP,CN=Public%20Key%20Services,CN=Services,CN=Configuration,DC=unionstars,DC=com,DC=cn?certificateRevocationList?base?objectClass=cRLDistributionPoint
authorityInfoAccess
  • CA Issuers - URI:ldap:///CN=unionstars-CA,CN=AIA,CN=Public%20Key%20Services,CN=Services,CN=Configuration,DC=unionstars,DC=com,DC=cn?cACertificate?base?objectClass=certificationAuthority