SSL-Tools

SSL check results of runbox.co

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Discover if the mail servers for runbox.co 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 Mon, 13 Jul 2020 16:49:45 +0000

The mailservers of runbox.co can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @runbox.co addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mx.runbox.com
91.220.196.211
 0
supported
*.runbox.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
3 s

Outgoing Mails

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

Certificates

First seen at:

CN=*.runbox.com

Certificate chain
Subject
Common Name (CN)
  • *.runbox.com
Alternative Names
  • *.runbox.com
  • runbox.com
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-06-07
Not valid after
2020-09-05
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
1B:58:1A:2E:33:46:81:A7:32:AC:25:6E:37:B7:62:A3:5A:43:12:1B:15:34:AD:DF:F0:F9:44:17:99:65:EF:C5
SHA1
BD:8D:4A:00:A4:95:B8:EB:73:E6:13:65:51:39:87:05:74:7E:B0:81
X509v3 extensions
subjectKeyIdentifier
  • 48:FB:48:06:B3:4A:AA:2C:A2:B2:D7:9F:15:4F:04:07:29:35:78:36
authorityKeyIdentifier
  • keyid:A8:4A:6A:63:04:7D:DD:BA:E6:D1:39:B7:A6:45:65:EF:F3:A8:EC:A1
authorityInfoAccess
  • OCSP - URI:http://ocsp.int-x3.letsencrypt.org
  • CA Issuers - URI:http://cert.int-x3.letsencrypt.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 : 5E:A7:73:F9:DF:56:C0:E7:B5:36:48:7D:D0:49:E0:32:
  • 7A:91:9A:0C:84:A1:12:12:84:18:75:96:81:71:45:58
  • Timestamp : Jun 7 22:47:47.045 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:90:BC:4E:17:5E:4D:62:C2:F0:E5:0C:
  • CE:D9:26:91:FF:8D:13:1D:7C:19:A4:47:39:E2:EC:C5:
  • A6:5C:1E:CE:9E:02:21:00:A2:3B:BD:D4:3C:49:24:02:
  • AB:58:9A:F4:DF:1C:A9:D9:89:CB:C6:89:D0:BA:52:0B:
  • 33:FE:8B:8D:05:A2:59:12
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : B2:1E:05:CC:8B:A2:CD:8A:20:4E:87:66:F9:2B:B9:8A:
  • 25:20:67:6B:DA:FA:70:E7:B2:49:53:2D:EF:8B:90:5E
  • Timestamp : Jun 7 22:47:47.041 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:01:80:9F:1C:72:C6:2A:42:B7:08:72:8C:
  • E2:C8:64:F3:D1:DC:B3:CA:C6:2B:A9:A5:74:3E:DF:E6:
  • 22:08:AA:0A:02:20:2C:15:20:FC:0B:4B:42:B8:FE:B5:
  • 83:DE:CB:8D:43:D4:AB:6F:35:75:E9:46:7C:D4:CE:F1:
  • 47:60:0A:FF:5B:90