SSL check results of strato.de

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Discover if the mail servers for strato.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 Wed, 07 Oct 2020 23:32:55 +0000

No connection to the mailservers of strato.de could be established.

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
post.in.strato.de
192.166.192.189
Results incomplete
100
supported
*.in.strato.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
post14.in.strato.de
217.74.205.128
Results incomplete
200
supported
*.in.strato.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s

Outgoing Mails

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

Certificates

First seen at:

CN=*.in.strato.de,O=Strato AG,L=Berlin,ST=Berlin,C=DE

Certificate chain
Subject
Country (C)
  • DE
State (ST)
  • Berlin
Locality (L)
  • Berlin
Organization (O)
  • Strato AG
Common Name (CN)
  • *.in.strato.de
Alternative Names
  • *.in.strato.de
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Organizational Unit (OU)
  • www.digicert.com
Common Name (CN)
  • GeoTrust RSA CA 2018
validity period
Not valid before
2020-03-18
Not valid after
2021-03-23
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
46:64:50:AE:9D:E0:1F:45:00:B6:72:EA:AF:65:35:BE:05:37:96:39:8C:2F:7B:EE:D2:E7:19:06:65:C6:A1:6B
SHA1
23:4F:96:E6:61:67:92:C9:4D:78:33:73:9A:A6:91:92:60:A8:06:0E
X509v3 extensions
authorityKeyIdentifier
  • keyid:90:58:FF:B0:9C:75:A8:51:54:77:B1:ED:F2:A3:43:16:38:9E:6C:C5
subjectKeyIdentifier
  • C1:CF:7C:AF:51:D7:73:F5:EF:81:A0:B5:40:B2:35:94:89:36:6D:78
crlDistributionPoints
  • Full Name:
  • URI:http://cdp.geotrust.com/GeoTrustRSACA2018.crl
certificatePolicies
  • Policy: 2.16.840.1.114412.1.1
  • CPS: https://www.digicert.com/CPS
  • Policy: 2.23.140.1.2.2
authorityInfoAccess
  • OCSP - URI:http://status.geotrust.com
  • CA Issuers - URI:http://cacerts.geotrust.com/GeoTrustRSACA2018.crt
ct_precert_scts
  • 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 : Mar 18 13:22:43.853 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:A1:B7:E2:31:81:D6:68:F3:34:31:23:
  • 91:80:9A:F8:0D:DE:4B:C6:DB:B2:C9:12:D2:CD:FA:3C:
  • B2:F0:E0:CF:2A:02:20:7E:3B:64:41:D0:59:70:F7:05:
  • 18:7F:7E:FD:0A:9E:5F:91:DD:DF:D4:92:E2:C6:B0:D5:
  • 4D:7C:D4:46:B5:00:D5
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 5C:DC:43:92:FE:E6:AB:45:44:B1:5E:9A:D4:56:E6:10:
  • 37:FB:D5:FA:47:DC:A1:73:94:B2:5E:E6:F6:C7:0E:CA
  • Timestamp : Mar 18 13:22:43.936 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:7C:3E:A7:8A:1E:94:94:5D:09:0A:6E:AD:
  • 26:AE:72:BE:D0:E9:B4:02:3E:E6:B3:AE:28:68:F9:6A:
  • B0:AD:17:B7:02:20:57:39:ED:6B:4E:A3:D0:97:2A:03:
  • 22:F1:2E:56:EF:99:8C:F5:79:88:5B:DB:7A:F5:3D:2D:
  • 71:A9:15:CE:10:51