SSL check results of crossflow.de

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Discover if the mail servers for crossflow.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

Report created Tue, 03 Dec 2019 13:59:16 +0000

We can not guarantee a secure connection to the mailservers of crossflow.de!

Please contact the operator of crossflow.de and ask him or her to solve this problem. This result stays accessible under the following address:

https://ssl-tools.net/mailservers/crossflow.de

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.crossflow.de
80.155.184.131
Results incomplete
10 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s
smtp.crossflow.de
80.155.184.131
Results incomplete
40 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s
backup.crossflow.de
195.30.52.225
50
supported
mail.crossflow.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
3 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.crossflow.de

Certificate chain
Subject
Common Name (CN)
  • mail.crossflow.de
Alternative Names
  • mail.crossflow.de
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Organizational Unit (OU)
  • www.digicert.com
Common Name (CN)
  • Thawte TLS RSA CA G1
validity period
Not valid before
2018-10-08
Not valid after
2020-11-16
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
E3:34:9D:DF:49:06:01:98:0C:70:DB:3E:A8:AE:13:00:41:C8:71:2C:92:FD:6F:5A:B5:05:1B:22:AB:D6:2B:96
SHA1
60:BF:2A:57:13:62:08:9E:88:92:A6:CD:A5:0B:E3:36:06:9A:54:69
X509v3 extensions
authorityKeyIdentifier
  • keyid:A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7
subjectKeyIdentifier
  • 3C:F5:52:41:15:C9:25:26:CD:46:D9:21:71:BA:CD:CF:F2:E6:F1:CF
crlDistributionPoints
  • Full Name:
  • URI:http://cdp.thawte.com/ThawteTLSRSACAG1.crl
certificatePolicies
  • Policy: 2.16.840.1.114412.1.2
  • CPS: https://www.digicert.com/CPS
  • Policy: 2.23.140.1.2.1
authorityInfoAccess
  • OCSP - URI:http://status.thawte.com
  • CA Issuers - URI:http://cacerts.thawte.com/ThawteTLSRSACAG1.crt
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : A4:B9:09:90:B4:18:58:14:87:BB:13:A2:CC:67:70:0A:
  • 3C:35:98:04:F9:1B:DF:B8:E3:77:CD:0E:C8:0D:DC:10
  • Timestamp : Oct 8 09:54:12.282 2018 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:24:C7:A8:28:FB:AB:9A:DE:7F:43:C0:FE:
  • 15:BE:E6:7E:48:17:94:72:D4:28:7A:D9:AB:80:F7:BF:
  • A1:11:13:78:02:21:00:88:4C:1E:44:20:59:04:2A:BE:
  • 22:21:EF:09:CD:01:46:6F:05:6C:B2:CF:7B:0B:DB:30:
  • EA:B9:7E:36:3D:31:B4
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 87:75:BF:E7:59:7C:F8:8C:43:99:5F:BD:F3:6E:FF:56:
  • 8D:47:56:36:FF:4A:B5:60:C1:B4:EA:FF:5E:A0:83:0F
  • Timestamp : Oct 8 09:54:12.510 2018 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:5E:68:5F:AC:5B:E3:B4:45:F9:9D:22:24:
  • B7:97:45:4A:F6:A9:C8:83:A0:02:F6:9F:ED:AF:4A:61:
  • 80:8D:91:BC:02:21:00:DE:D5:29:32:CA:D8:75:08:1C:
  • 99:18:E7:29:EA:28:9D:B5:A9:3D:CF:FE:BD:1E:FB:8B:
  • 54:2D:5E:28:C1:3C:70
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : BB:D9:DF:BC:1F:8A:71:B5:93:94:23:97:AA:92:7B:47:
  • 38:57:95:0A:AB:52:E8:1A:90:96:64:36:8E:1E:D1:85
  • Timestamp : Oct 8 09:54:12.526 2018 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:F2:CF:E0:58:DB:BD:F6:0A:8F:21:82:
  • F5:92:78:76:14:B9:68:94:F6:C1:66:99:A2:39:3D:71:
  • 65:59:B0:38:89:02:20:15:12:F5:86:33:9B:DA:B8:CE:
  • EA:46:38:1F:9B:DB:6C:94:0E:A0:C2:76:84:7C:60:DE:
  • 73:37:91:BD:4B:2A:72