SSL-Tools

SSL check results of virtua.com.br

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Discover if the mail servers for virtua.com.br 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 Sun, 14 Jun 2020 16:21:41 +0000

The mailservers of virtua.com.br can be reached through an encrypted connection.

However, we found problems that may affect the security.

Servers

Incoming Mails

These servers are responsible for incoming mails to @virtua.com.br addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
smtp.virtua.com.br
201.6.4.64
 10
supported
smtp.virtua.com.br
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
21 s

Outgoing Mails

We have received emails from these servers with @virtua.com.br sender addresses. Test mail delivery

Host TLS Version & Cipher
unknown (179.234.40.169)
Insecure - not encrypted!
unknown (177.80.232.35)
Insecure - not encrypted!

Certificates

First seen at:

CN=smtp.virtua.com.br

Certificate chain
Subject
Common Name (CN)
  • smtp.virtua.com.br
Alternative Names
  • smtp.virtua.com.br
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2019-10-13
Not valid after
2020-01-11
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
F8:12:E9:B4:FD:E4:E3:75:DB:6E:FF:45:39:C5:4B:50:A4:58:7F:B4:3D:4E:ED:61:CB:3A:6B:BF:5E:4B:9A:9D
SHA1
5D:D9:51:42:38:0F:A3:5F:3B:27:8F:D5:78:37:94:38:6C:D2:22:03
X509v3 extensions
subjectKeyIdentifier
  • 7C:5B:D5:A7:F3:14:74:77:4B:05:A2:77:D3:2C:8F:98:50:74:07:09
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 : F0:95:A4:59:F2:00:D1:82:40:10:2D:2F:93:88:8E:AD:
  • 4B:FE:1D:47:E3:99:E1:D0:34:A6:B0:A8:AA:8E:B2:73
  • Timestamp : Oct 13 15:04:33.730 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:A2:D1:F4:3D:07:55:5E:C4:7B:98:AA:
  • B5:81:B1:B3:78:FD:C9:46:A1:0C:EF:D0:C9:6D:06:E1:
  • 90:99:E7:3C:4B:02:20:3E:5B:27:6B:87:D5:6F:FE:58:
  • 7D:25:D6:3D:B8:A4:37:BD:03:CE:76:09:09:B3:91:77:
  • 0E:BB:A6:18:D8:BB:93
  • 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 : Oct 13 15:04:33.719 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:CD:34:5B:76:5F:E7:01:59:F3:CC:DD:
  • 50:33:17:00:4B:B7:F0:CA:D3:B2:26:66:44:CB:E6:DA:
  • DE:AB:1D:04:D1:02:21:00:9A:78:A8:90:C6:AB:B2:05:
  • 0C:A4:01:54:53:60:B2:76:54:B7:38:5B:AE:88:A0:8E:
  • 38:45:CA:F7:59:75:43:5C