SSL-Tools

SSL check results of hotel.check24.de

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Discover if the mail servers for hotel.check24.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 Thu, 23 Mar 2023 08:57:10 +0000

The mailservers of hotel.check24.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @hotel.check24.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.hotel.check24.de
89.191.91.251
 10
supported
*.hotel.check24.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
1 s

Outgoing Mails

We have not received any emails from a @hotel.check24.de address so far. Test mail delivery

Certificates

First seen at:

CN=*.hotel.check24.de,O=CHECK24 Vergleichsportal GmbH,L=München,ST=Bayern,C=DE

Certificate chain
Subject
Country (C)
  • DE
State (ST)
  • Bayern
Locality (L)
  • München
Organization (O)
  • CHECK24 Vergleichsportal GmbH
Common Name (CN)
  • *.hotel.check24.de
Alternative Names
  • *.hotel.check24.de
  • hotel.check24.de
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Common Name (CN)
  • DigiCert Global G2 TLS RSA SHA256 2020 CA1
validity period
Not valid before
2023-03-20
Not valid after
2024-03-28
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
77:89:E6:64:99:F4:A9:7C:42:D1:47:64:9B:4E:23:0B:1A:96:AE:E7:1B:C7:87:D4:81:5C:1A:0C:73:8C:FC:03
SHA1
BD:51:49:6B:85:E6:53:25:79:9B:D7:E9:60:7F:3E:2E:3D:F1:7F:72
X509v3 extensions
authorityKeyIdentifier
  • keyid:74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
subjectKeyIdentifier
  • 0D:4C:50:0C:53:F0:1A:B0:87:C5:5B:18:2C:07:64:45:4E:6C:34:72
crlDistributionPoints
  • Full Name:
  • URI:http://crl3.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
  • Full Name:
  • URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
certificatePolicies
  • Policy: 2.23.140.1.2.2
  • CPS: http://www.digicert.com/CPS
authorityInfoAccess
  • OCSP - URI:http://ocsp.digicert.com
  • CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crt
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 76:FF:88:3F:0A:B6:FB:95:51:C2:61:CC:F5:87:BA:34:
  • B4:A4:CD:BB:29:DC:68:42:0A:9F:E6:67:4C:5A:3A:74
  • Timestamp : Mar 20 14:12:11.129 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:85:E8:20:81:A5:B5:ED:21:3A:A1:92:
  • D4:4B:0B:D9:24:B8:46:0B:1C:E4:7C:9F:11:40:F7:43:
  • F1:5A:0F:B9:DB:02:21:00:C3:E9:E0:67:0D:05:4E:72:
  • 90:A4:11:B3:00:52:5B:AD:06:89:62:00:B2:A9:08:83:
  • B8:50:78:BC:9A:2D:0C:69
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 48:B0:E3:6B:DA:A6:47:34:0F:E5:6A:02:FA:9D:30:EB:
  • 1C:52:01:CB:56:DD:2C:81:D9:BB:BF:AB:39:D8:84:73
  • Timestamp : Mar 20 14:12:11.109 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:22:C1:A1:7F:D8:89:86:E3:FB:39:AF:63:
  • 62:6E:10:1B:32:17:AA:50:E6:3D:9B:1E:D0:7C:CF:B8:
  • 25:FC:3D:53:02:20:56:ED:74:D8:30:AE:6C:18:5A:E6:
  • 3D:10:EE:36:B5:ED:9A:CC:A3:21:69:22:1D:74:7A:2B:
  • C4:C7:B7:1F:54:46
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 3B:53:77:75:3E:2D:B9:80:4E:8B:30:5B:06:FE:40:3B:
  • 67:D8:4F:C3:F4:C7:BD:00:0D:2D:72:6F:E1:FA:D4:17
  • Timestamp : Mar 20 14:12:11.099 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:D6:F6:35:86:D8:12:12:A9:BE:26:91:
  • 93:A1:6A:64:DA:12:FB:6F:A9:71:4B:F4:30:A2:09:EB:
  • CF:7A:4F:A8:39:02:21:00:DE:3C:88:E9:D0:E1:38:39:
  • 21:82:13:64:54:D5:7A:7A:C3:F7:A5:F6:C1:CB:4C:99:
  • E4:42:71:E6:3C:DD:36:00