SSL-Tools

SSL check results of gaming-31337.de

NEW You can also bulk check multiple servers.

Discover if the mail servers for gaming-31337.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 Tue, 30 Jun 2020 16:33:26 +0000

The mailservers of gaming-31337.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @gaming-31337.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mx1.core-networks.de
2001:1bc0:d::4:9
 10
supported
mail.core-networks.de
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
3 s
mx1.core-networks.de
82.96.72.7
 10
supported
mail.core-networks.de
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s
mx2.core-networks.eu
2001:1bc0:d::2:12
 20
supported
mail.core-networks.de
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s
mx2.core-networks.eu
194.213.5.212
 20
supported
mail.core-networks.de
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
3 s
mx3.core-networks.com
2001:1bc0:d::2:12
 30
supported
mail.core-networks.de
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s
mx3.core-networks.com
194.213.5.212
 30
supported
mail.core-networks.de
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s

Outgoing Mails

We have not received any emails from a @gaming-31337.de address so far. Test mail delivery

Certificates

First seen at:

CN=mail.core-networks.de

Certificate chain
Subject
Common Name (CN)
  • mail.core-networks.de
Alternative Names
  • mail.core-networks.de
  • mx.core-networks.com
  • mx.core-networks.de
  • mx.core-networks.eu
  • mx1.core-networks.de
  • mx2.core-networks.de
  • mx2.core-networks.eu
  • mx3.core-networks.com
  • mx3.core-networks.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-06-05
Not valid after
2020-09-03
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
12:29:DA:90:17:B7:9B:7E:D9:FB:CC:AC:0D:5A:7D:24:B6:1A:2D:5E:69:A9:28:01:3A:82:5B:C0:B4:77:B8:B1
SHA1
01:BB:E6:81:12:1D:EB:A3:0A:EB:B1:D6:10:28:2B:13:9F:CE:84:FF
X509v3 extensions
subjectKeyIdentifier
  • DF:6F:7E:F0:41:11:21:D0:3C:C1:17:10:82:21:64:2A:99:FC:67:77
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 : E7:12:F2:B0:37:7E:1A:62:FB:8E:C9:0C:61:84:F1:EA:
  • 7B:37:CB:56:1D:11:26:5B:F3:E0:F3:4B:F2:41:54:6E
  • Timestamp : Jun 5 07:55:48.052 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:35:BA:7F:2A:B9:8E:2F:DA:D4:A8:B1:11:
  • C2:99:F3:CA:A2:D2:2C:C3:8D:D5:66:F8:D1:9B:2D:C8:
  • 11:94:BD:65:02:21:00:EB:7B:A7:1D:42:45:76:46:DE:
  • 99:03:7E:3A:9D:7A:28:42:88:F3:40:B5:BD:10:24:66:
  • B0:F6:C5:6A:BE:83:1A
  • 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 : Jun 5 07:55:48.103 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:91:F2:79:7E:1D:28:63:55:70:91:F2:
  • 98:F7:47:2E:FB:45:96:D4:1B:27:37:FC:85:81:28:98:
  • B0:C2:DB:07:06:02:21:00:84:61:E6:9A:A3:0D:30:44:
  • DB:2C:CC:1B:2E:72:7A:21:D2:00:F3:1C:16:69:35:F0:
  • CE:F5:7C:2B:DD:F2:B2:13

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.mx3.core-networks.com
  • DANE-EE: Domain Issued Certificate
  • Use subject public key
  • SHA-256 Hash
valid
valid
_25._tcp.mx2.core-networks.eu
  • DANE-EE: Domain Issued Certificate
  • Use subject public key
  • SHA-256 Hash
valid
valid
_25._tcp.mx1.core-networks.de
  • DANE-EE: Domain Issued Certificate
  • Use subject public key
  • SHA-256 Hash
valid
valid