SSL-Tools

SSL check results of zrf-saar.de

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Discover if the mail servers for zrf-saar.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 Wed, 27 Mar 2024 16:46:58 +0000

No connection to the mailservers of zrf-saar.de could be established.

Servers

Incoming Mails

These servers are responsible for incoming mails to @zrf-saar.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mx-01.zrf-saar.de
185.206.230.21
Results incomplete
10
supported
mx-01.zrf-saar.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
mx-02.zrf-saar.de
185.206.230.22
Results incomplete
20
supported
mx-01.zrf-saar.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 @zrf-saar.de address so far. Test mail delivery

Certificates

First seen at:

CN=mx-01.zrf-saar.de,O=Zweckverband für Rettungsdienst und Feuerwehralarmierung Saar,L=Bexbach,ST=Saarland,C=DE

Certificate chain
Subject
Country (C)
  • DE
State (ST)
  • Saarland
Locality (L)
  • Bexbach
Organization (O)
  • Zweckverband für Rettungsdienst und Feuerwehralarmierung Saar
Common Name (CN)
  • mx-01.zrf-saar.de
Alternative Names
  • mx-01.zrf-saar.de
  • mx-02.zrf-saar.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
2023-11-26
Not valid after
2024-12-26
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
B0:A4:1E:55:B3:82:99:8C:04:97:31:57:1B:3B:4C:80:05:45:C8:4A:55:F6:0B:3C:13:E0:2D:50:7B:01:6A:3C
SHA1
DA:E0:98:A0:FD:9E:CC:42:BF:AE:5C:84:58:09:EA:00:AC:AA:B0:B9
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
  • D3:51:F9:60:FA:3C:E2:8C:B2:18:CE:41:B9:96:90:B9:78:0A:42:91
certificatePolicies
  • Policy: 2.23.140.1.2.2
  • CPS: http://www.digicert.com/CPS
crlDistributionPoints
  • Full Name:
  • URI:http://crl3.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
  • Full Name:
  • URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
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 : EE:CD:D0:64:D5:DB:1A:CE:C5:5C:B7:9D:B4:CD:13:A2:
  • 32:87:46:7C:BC:EC:DE:C3:51:48:59:46:71:1F:B5:9B
  • Timestamp : Nov 26 14:03:36.405 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:3A:07:D5:A0:6A:4E:49:4C:38:AF:01:7C:
  • 88:C8:B0:09:75:2E:D2:2D:F3:79:C1:59:6E:8F:56:44:
  • 4E:6D:42:3F:02:21:00:EE:D2:1E:D3:AD:57:A9:EC:45:
  • F0:8D:96:8F:91:23:F9:62:2D:5E:8C:64:8E:40:9D:3B:
  • 31:F7:CF:4F:5B:FF:6B
  • 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 : Nov 26 14:03:36.456 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:9F:AF:CB:66:E4:1F:02:F9:AA:1B:D4:
  • 2F:45:5B:B1:D5:C3:B3:F7:E9:03:12:C8:32:40:55:13:
  • 8E:A6:98:B2:A3:02:21:00:BC:89:28:F1:35:AF:47:74:
  • D0:EC:95:C5:F5:98:DB:E2:17:0C:50:89:61:E5:50:BF:
  • F7:83:30:0A:CF:98:C1:7D
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : DA:B6:BF:6B:3F:B5:B6:22:9F:9B:C2:BB:5C:6B:E8:70:
  • 91:71:6C:BB:51:84:85:34:BD:A4:3D:30:48:D7:FB:AB
  • Timestamp : Nov 26 14:03:36.438 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:64:C5:48:30:BC:34:A9:E6:1C:48:1C:E5:
  • 33:6E:EF:4F:F5:DA:0B:C4:3B:1D:C2:72:A2:7E:7D:37:
  • B9:47:B2:54:02:21:00:C9:04:E8:AB:F6:9A:9A:39:6D:
  • FC:C0:27:5F:4B:B1:55:82:B3:62:51:2D:E0:34:7C:A4:
  • 2D:10:EE:9B:8E:72:27