SSL-Tools

SSL check results of mailsec.numalis.com

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Discover if the mail servers for mailsec.numalis.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 Tue, 15 Jun 2021 07:45:18 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mailsec.numalis.com
5.189.158.177
 -
supported
mailsec.numalis.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s

Outgoing Mails

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

Certificates

First seen at:

CN=mailsec.numalis.com

Certificate chain
  • mailsec.numalis.com
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
      • R3
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • DST Root CA X3 (Certificate is self-signed.)
            • remaining
            • 2048 bit
            • sha1WithRSAEncryption
Subject
Common Name (CN)
  • mailsec.numalis.com
Alternative Names
  • mailsec.numalis.com
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2021-05-26
Not valid after
2021-08-24
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
36:3E:CA:55:D9:5C:F0:CA:A0:48:46:CD:72:19:F2:2A:5B:E0:E1:D0:32:29:68:81:AD:52:AE:16:CB:C0:C9:D4
SHA1
D0:67:95:44:63:38:79:23:2A:3A:07:68:1D:09:D1:CA:BE:46:D6:92
X509v3 extensions
subjectKeyIdentifier
  • CC:07:7E:81:74:6E:AA:9A:7B:78:BF:6A:4D:BA:C6:F2:D3:3D:68:1A
authorityKeyIdentifier
  • keyid:14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
authorityInfoAccess
  • OCSP - URI:http://r3.o.lencr.org
  • CA Issuers - URI:http://r3.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • Policy: 1.3.6.1.4.1.44947.1.1.1
  • CPS: http://cps.letsencrypt.org
ct_precert_scts
  • 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 : May 26 10:16:07.057 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:49:10:62:26:4B:BC:8B:D8:87:51:87:C8:
  • 2D:00:EE:35:EC:4F:6D:5B:2B:1C:6F:D7:8C:CC:27:6A:
  • E8:59:8C:3C:02:20:4F:EF:E6:E4:22:8A:A4:82:F9:AB:
  • E2:DE:42:6A:63:63:D6:3A:99:7D:E4:1C:C1:AA:9E:9A:
  • 59:A8:7B:EB:2F:9B
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 7D:3E:F2:F8:8F:FF:88:55:68:24:C2:C0:CA:9E:52:89:
  • 79:2B:C5:0E:78:09:7F:2E:6A:97:68:99:7E:22:F0:D7
  • Timestamp : May 26 10:16:07.119 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:68:02:89:F8:03:DE:65:A7:87:60:EE:ED:
  • 29:E6:7E:D5:D5:7A:63:24:F5:FF:2B:78:DC:61:5C:5A:
  • 94:C3:C6:CF:02:21:00:F4:F4:D7:6E:C7:B2:3E:BE:42:
  • 59:FC:96:ED:D1:E6:D9:CD:66:C9:2C:48:0D:A1:A6:2C:
  • 8E:0F:A6:07:E7:80:8C