SSL-Tools

SSL check results of mail-us.retarus.com

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Discover if the mail servers for mail-us.retarus.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

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Report created Fri, 19 Apr 2024 19:23:10 +0000

The mailservers of mail-us.retarus.com can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mail-us.retarus.com addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail-us.retarus.com
199.204.13.134
 -
supported
*.retarus.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
9 s

Outgoing Mails

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

Certificates

First seen at:

CN=*.retarus.com,O=Retarus GmbH,L=München,ST=Bayern,C=DE

Certificate chain
Subject
Country (C)
  • DE
State (ST)
  • Bayern
Locality (L)
  • München
Organization (O)
  • Retarus GmbH
Common Name (CN)
  • *.retarus.com
Alternative Names
  • *.retarus.com
  • retarus.com
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Common Name (CN)
  • DigiCert Global G2 TLS RSA SHA256 2020 CA1
validity period
Not valid before
2023-12-11
Not valid after
2025-01-10
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
94:27:E5:C5:7B:9C:DA:E4:D2:23:47:6D:55:52:90:3C:77:AD:0B:56:E3:A6:73:71:D5:09:6A:4C:B5:3D:EA:07
SHA1
72:1D:D9:0E:5B:7B:37:0B:94:45:78:59:C4:00:49:85:00:C8:6E:CB
X509v3 extensions
authorityKeyIdentifier
  • keyid:74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
subjectKeyIdentifier
  • 75:BE:E1:88:20:61:FC:70:6E:2B:DA:0F:77:CA:09:E1:AA:D1:AA:F3
certificatePolicies
  • Policy: 2.23.140.1.2.2
  • CPS: http://www.digicert.com/CPS
crlDistributionPoints
  • Full Name:
  • URI:http://crl3.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
  • Full Name:
  • URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
authorityInfoAccess
  • OCSP - URI:http://ocsp.digicert.com
  • CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crt
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 4E:75:A3:27:5C:9A:10:C3:38:5B:6C:D4:DF:3F:52:EB:
  • 1D:F0:E0:8E:1B:8D:69:C0:B1:FA:64:B1:62:9A:39:DF
  • Timestamp : Dec 11 09:49:15.095 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:65:F2:07:65:A8:BC:09:05:1B:3A:78:BF:
  • 10:CB:C6:20:34:0E:7F:3C:4A:B8:4B:F1:4B:05:66:86:
  • 2E:0D:5D:25:02:20:76:3F:CE:2E:F4:BA:D7:71:6D:5A:
  • A9:47:1C:BE:01:DC:2A:A0:E4:04:55:31:B6:1A:B4:C3:
  • EC:67:07:9B:47:D7
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 3F:17:4B:4F:D7:22:47:58:94:1D:65:1C:84:BE:0D:12:
  • ED:90:37:7F:1F:85:6A:EB:C1:BF:28:85:EC:F8:64:6E
  • Timestamp : Dec 11 09:49:15.121 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:18:50:54:3F:12:F1:79:BB:9C:3C:48:2F:
  • 7A:B9:7F:60:77:C8:52:7B:FF:AF:79:B6:D7:82:F7:57:
  • 69:ED:E5:17:02:20:7C:75:60:E6:D3:C7:4A:CC:D6:7D:
  • 10:BF:A2:46:66:FE:F3:5B:D2:5E:60:BB:EA:E4:EF:98:
  • C0:48:37:37:2D:60
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 7D:59:1E:12:E1:78:2A:7B:1C:61:67:7C:5E:FD:F8:D0:
  • 87:5C:14:A0:4E:95:9E:B9:03:2F:D9:0E:8C:2E:79:B8
  • Timestamp : Dec 11 09:49:15.103 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:7D:6F:B5:FE:8D:57:38:85:56:E3:32:52:
  • 77:7B:65:83:8B:6D:A1:14:23:5C:00:46:CF:D5:CA:BE:
  • 26:22:D8:0E:02:21:00:C6:75:03:9C:02:E6:C5:E3:F0:
  • 8E:16:BE:19:EB:9F:D4:2A:D4:EE:DA:0F:3C:C7:72:A2:
  • 54:06:CE:77:4A:2A:B8