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SSL check results of proweser.de

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Discover if the mail servers for proweser.de 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, 25 May 2020 09:54:48 +0000

The mailservers of proweser.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @proweser.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.pothe.de
2a01:4f8:1c0c:403e::25:1
 10
supported
www.pothe.de
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
7 s
mail.pothe.de
94.130.180.65
 10
supported
www.pothe.de
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
7 s

Outgoing Mails

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

Certificates

First seen at:

CN=www.pothe.de

Certificate chain
Subject
Common Name (CN)
  • www.pothe.de
Alternative Names
  • ftp.pothe.de
  • m.pothe.de
  • mail.pothe.de
  • pothe.com
  • pothe.de
  • proweser.de
  • www.pothe.com
  • www.pothe.de
  • www.proweser.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-05-16
Not valid after
2020-08-14
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
F2:E3:4C:47:EA:18:F6:0C:6F:1D:E5:F9:02:81:32:F3:FD:38:50:8E:10:2D:49:C7:4F:4B:88:14:8E:E4:E3:D0
SHA1
E9:04:AB:D3:F3:BE:66:E7:6D:68:9B:F2:DD:4B:A9:65:AF:9A:D6:8E
X509v3 extensions
subjectKeyIdentifier
  • 42:9A:C2:FA:6D:E8:A1:0B:5A:98:D2:3E:04:E2:C6:39:6A:55:90:CE
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 16 03:25:47.398 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:25:A8:4F:A6:21:D8:94:E4:1C:B0:DC:F3:
  • 2E:36:78:6D:31:ED:50:F5:FC:0F:C3:A7:38:97:79:50:
  • B3:49:FE:49:02:20:6B:6F:A3:0E:28:24:5A:D2:39:79:
  • 38:8E:69:11:6D:13:54:5D:70:11:D0:DC:BA:4A:5B:24:
  • C9:E7:B1:C0:A5:BB
  • 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 16 03:25:47.372 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:C3:CE:91:29:8B:E7:AC:74:27:93:14:
  • 32:AE:49:A0:A9:99:B6:E0:51:14:3A:42:B9:C2:BB:6E:
  • D1:79:40:F6:CC:02:21:00:B1:47:11:96:DD:28:9D:78:
  • E1:18:AB:B8:00:E9:31:16:FC:8C:75:C5:58:40:32:02:
  • 65:61:6C:82:5C:FF:6F:62

DANE

DNS-based Authentication of Named Entities (DANE) is a protocol to allow X.509 certificates to be bound to DNS using TLSA records and DNSSEC.

Name Options DNSSEC Matches
_25._tcp.mail.pothe.de
  • DANE-EE: Domain Issued Certificate
  • Use subject public key
  • SHA-256 Hash
valid
—
_25._tcp.mail.pothe.de
  • DANE-EE: Domain Issued Certificate
  • Use subject public key
  • SHA-256 Hash
valid
valid
_25._tcp.mail.pothe.de
  • DANE-EE: Domain Issued Certificate
  • Use subject public key
  • SHA-256 Hash
valid
—