SSL check results of bolkow.net

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Discover if the mail servers for bolkow.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

Report created Thu, 28 May 2020 15:58:11 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.bolkow.net
78.88.145.184
1
supported
bolkow.net
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
4 s

Outgoing Mails

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

Certificates

First seen at:

CN=bolkow.net

Certificate chain
Subject
Common Name (CN)
  • bolkow.net
Alternative Names
  • bolkow.net
  • mail.bolkow.net
  • www.bolkow.net
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-05-11
Not valid after
2020-08-09
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
C7:A6:52:12:08:EB:87:CF:6A:48:4F:16:02:32:14:54:3B:5F:12:27:6E:FE:B7:F4:6E:2B:45:DC:A2:71:B6:E3
SHA1
02:6F:E1:B0:08:02:C5:06:6F:C1:6F:24:4E:31:F7:4D:FC:42:5C:30
X509v3 extensions
subjectKeyIdentifier
  • 85:1F:AB:57:8C:DD:74:14:22:4D:74:63:FA:1D:0A:27:DE:66:74:72
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 : May 11 10:26:22.345 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:D8:31:DA:4B:51:6A:C5:79:D2:21:78:
  • 87:87:20:B1:96:13:4F:1E:0B:18:AF:9D:1A:55:93:E1:
  • A2:4F:75:92:96:02:20:53:CD:A8:A2:2A:23:F5:22:B7:
  • 13:69:BE:06:BF:0A:8F:31:A5:EB:0F:EA:EE:ED:2A:49:
  • 44:02:8F:13:3F:10:35
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 07:B7:5C:1B:E5:7D:68:FF:F1:B0:C6:1D:23:15:C7:BA:
  • E6:57:7C:57:94:B7:6A:EE:BC:61:3A:1A:69:D3:A2:1C
  • Timestamp : May 11 10:26:22.423 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:53:AF:AB:B4:A5:71:A9:0B:AB:18:AF:AD:
  • 3F:9A:2B:EC:EB:BA:72:28:0E:B0:6A:B5:B5:D7:30:78:
  • 00:EA:B6:05:02:20:68:27:B6:58:61:85:CE:F5:D6:06:
  • 89:DA:C5:46:4F:DC:3D:A6:25:0A:BB:99:2E:8D:1A:63:
  • CF:E6:E0:C9:0D:35