SSL-Tools

SSL check results of geistert.info

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Discover if the mail servers for geistert.info 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 Mon, 25 Oct 2021 09:13:45 +0000

The mailservers of geistert.info can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @geistert.info addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.geistert.info
168.119.142.99
 10
supported
geistert.info
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • SSLv3
1 s

Outgoing Mails

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

Certificates

First seen at:

CN=geistert.info

Certificate chain
  • geistert.info
    • remaining
    • 4096 bit
    • sha256WithRSAEncryption
      • R3
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • geistert.info
Alternative Names
  • geistert.info
  • mail.geistert.info
  • postfixadmin.geistert.info
  • spam.geistert.info
  • webmail.geistert.info
  • www.geistert.info
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2021-10-25
Not valid after
2022-01-23
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
74:CC:E8:0C:75:BE:D5:FD:84:E3:8A:8C:A6:6B:CB:F1:04:37:1C:DD:E8:28:36:90:79:F4:F3:85:28:89:72:B3
SHA1
FF:CD:76:93:B9:29:83:A5:59:CB:30:A2:EC:2F:2A:4A:19:8D:35:75
X509v3 extensions
subjectKeyIdentifier
  • 8E:4C:CC:85:94:BE:7F:00:E7:33:5B:2B:66:2F:DE:F5:6F:86:BE:88
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 : 29:79:BE:F0:9E:39:39:21:F0:56:73:9F:63:A5:77:E5:
  • BE:57:7D:9C:60:0A:F8:F9:4D:5D:26:5C:25:5D:C7:84
  • Timestamp : Oct 25 09:10:48.712 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:AB:93:13:80:CE:32:97:CA:DF:12:5C:
  • FC:FA:2A:9D:A5:6E:65:FD:83:A3:B7:DB:4E:35:DB:65:
  • 19:72:55:34:A5:02:20:75:93:03:26:D8:4E:ED:58:30:
  • 0F:BC:B1:EC:C1:6E:29:DC:C7:16:D8:DC:50:D7:9C:D3:
  • 4A:15:45:42:44:6E:24
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 41:C8:CA:B1:DF:22:46:4A:10:C6:A1:3A:09:42:87:5E:
  • 4E:31:8B:1B:03:EB:EB:4B:C7:68:F0:90:62:96:06:F6
  • Timestamp : Oct 25 09:10:49.227 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:69:C7:FB:C3:C5:68:1C:14:F1:7B:4A:D3:
  • 80:BD:5F:C5:0A:0B:65:20:C6:18:5C:5E:18:A7:F6:4F:
  • DE:54:26:37:02:20:07:5A:B1:B5:89:96:63:69:28:92:
  • 8A:91:DF:3D:25:88:1F:46:8B:47:A1:99:65:33:56:DD:
  • 59:03:4C:08:1C:84