SSL-Tools

SSL check results of mail.corpolanco.com

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Discover if the mail servers for mail.corpolanco.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 Sun, 29 Jun 2025 00:30:14 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.corpolanco.com
209.133.212.38
 -
supported
mail.corpolanco.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
7 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.corpolanco.com

Certificate chain
  • mail.corpolanco.com
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
      • R11
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mail.corpolanco.com
Alternative Names
  • mail.corpolanco.com
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R11
validity period
Not valid before
2025-04-11
Not valid after
2025-07-10
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
19:58:FE:09:70:1F:BE:8B:12:34:0F:46:CE:8A:73:48:D4:18:F6:7D:8B:A8:4A:88:B2:FF:94:5F:95:04:63:3C
SHA1
2E:DD:73:10:D6:69:E4:7F:6F:EC:F3:C3:7D:A8:7F:C3:6D:68:05:1D
X509v3 extensions
subjectKeyIdentifier
  • F1:8F:B6:E5:19:AD:D7:D9:14:43:92:BB:C4:A8:A9:9C:B5:A5:8F:E3
authorityKeyIdentifier
  • keyid:C5:CF:46:A4:EA:F4:C3:C0:7A:6C:95:C4:2D:B0:5E:92:2F:26:E3:B9
authorityInfoAccess
  • OCSP - URI:http://r11.o.lencr.org
  • CA Issuers - URI:http://r11.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://r11.c.lencr.org/16.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 12:F1:4E:34:BD:53:72:4C:84:06:19:C3:8F:3F:7A:13:
  • F8:E7:B5:62:87:88:9C:6D:30:05:84:EB:E5:86:26:3A
  • Timestamp : Apr 11 23:20:24.931 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:35:02:25:5E:E4:C2:17:2A:86:3F:90:25:
  • F3:E4:91:38:9D:38:48:B5:80:1D:C7:93:97:24:5F:DE:
  • EE:12:3B:4B:02:20:0F:C1:DA:86:67:EE:D0:D2:8E:9C:
  • 70:64:37:AF:11:4B:94:3F:90:47:57:24:48:4A:68:B8:
  • 66:EF:46:8C:EF:23
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C:
  • 22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0
  • Timestamp : Apr 11 23:20:26.914 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:96:75:1A:66:BE:71:D7:B1:9A:8A:89:
  • 1C:38:56:FB:2D:38:0F:BB:5A:D0:33:7E:86:32:C1:D8:
  • FA:F1:5E:D2:E0:02:21:00:FB:93:E2:E4:BD:B0:46:38:
  • E2:EA:1D:71:E0:49:2C:D4:29:E5:30:47:C0:83:20:FD:
  • B3:8A:10:CB:E6:9A:39:39