SSL-Tools

SSL check results of inftra.net

NEW You can also bulk check multiple servers.

Discover if the mail servers for inftra.net 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 Sat, 20 Jun 2020 12:04:16 +0000

The mailservers of inftra.net can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @inftra.net addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.inftra.net
37.120.176.202
 10
supported
inftra.net
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 @inftra.net address so far. Test mail delivery

Certificates

First seen at:

CN=inftra.net

Certificate chain
Subject
Common Name (CN)
  • inftra.net
Alternative Names
  • *.inftra.com
  • *.inftra.de
  • *.inftra.net
  • *.respawner.de
  • inftra.com
  • inftra.de
  • inftra.net
  • respawner.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-05-06
Not valid after
2020-08-04
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
53:EA:90:2B:15:EA:54:B3:5D:EC:57:0D:8A:75:15:0D:7B:4E:9D:6C:D0:4A:18:3C:FE:E7:4F:16:78:90:67:96
SHA1
DD:B6:74:D8:F6:21:F5:72:16:8E:5F:4D:BF:CC:1D:37:A1:1E:99:0B
X509v3 extensions
subjectKeyIdentifier
  • D5:A4:66:70:65:21:0E:64:34:FC:90:EB:7B:BA:6A:53:D0:2C:B7:81
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 : May 6 11:21:30.821 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:41:2F:55:3F:47:40:28:08:54:65:20:43:
  • 6D:38:CE:CA:B9:A4:AD:70:BC:1D:76:79:C9:39:A1:A8:
  • 09:F9:63:1B:02:20:22:F5:99:BE:FE:34:DA:85:3A:F3:
  • F4:A2:96:CB:EA:DC:02:35:01:63:9D:D7:DD:95:AE:42:
  • E8:F3:B2:FC:39:B6
  • 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 : May 6 11:21:30.822 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:44:45:44:4C:90:52:43:0D:B0:37:CE:49:
  • 51:1C:21:73:61:F7:40:2B:80:34:FD:F6:1C:B2:6B:22:
  • E9:BC:64:93:02:21:00:D3:44:0B:0C:4D:4A:0F:A9:C1:
  • 2E:2D:1E:77:FA:16:11:90:00:E5:E3:B0:AE:1E:F7:EA:
  • 13:DE:D5:A2:09:24:65