SSL-Tools

SSL check results of szsmtp.seezeit.com

NEW You can also bulk check multiple servers.

Discover if the mail servers for szsmtp.seezeit.com 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 Mon, 24 Jan 2022 09:02:24 +0000

The mailservers of szsmtp.seezeit.com can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @szsmtp.seezeit.com addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
szsmtp.seezeit.com
134.34.96.243
 10
supported
szsmtp.seezeit.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
11 s

Outgoing Mails

We have not received any emails from a @szsmtp.seezeit.com address so far. Test mail delivery

Certificates

First seen at:

CN=szsmtp.seezeit.com

Certificate chain
Subject
Common Name (CN)
  • szsmtp.seezeit.com
Alternative Names
  • szsmtp.seezeit.com
  • www.szsmtp.seezeit.com
Issuer
Country (C)
  • GB
State (ST)
  • Greater Manchester
Locality (L)
  • Salford
Organization (O)
  • Sectigo Limited
Common Name (CN)
  • Sectigo RSA Domain Validation Secure Server CA
validity period
Not valid before
2020-05-15
Not valid after
2022-08-17
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
F3:30:B8:10:1B:4C:B4:E1:94:93:6D:91:A9:D1:97:BA:B5:76:3B:BE:9E:1E:80:28:A0:C0:2F:6E:F5:FD:EB:84
SHA1
11:CA:7C:A2:B0:44:30:68:FE:DA:D3:DA:E1:61:9C:89:FA:80:A3:B2
X509v3 extensions
authorityKeyIdentifier
  • keyid:8D:8C:5E:C4:54:AD:8A:E1:77:E9:9B:F9:9B:05:E1:B8:01:8D:61:E1
subjectKeyIdentifier
  • 0A:83:6B:0C:37:BA:7D:7A:8C:54:82:59:C9:DB:91:D1:2A:15:92:92
certificatePolicies
  • Policy: 1.3.6.1.4.1.6449.1.2.2.7
  • CPS: https://sectigo.com/CPS
  • Policy: 2.23.140.1.2.1
authorityInfoAccess
  • CA Issuers - URI:http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt
  • OCSP - URI:http://ocsp.sectigo.com
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 46:A5:55:EB:75:FA:91:20:30:B5:A2:89:69:F4:F3:7D:
  • 11:2C:41:74:BE:FD:49:B8:85:AB:F2:FC:70:FE:6D:47
  • Timestamp : May 15 09:47:52.794 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:8D:CB:4B:E7:AA:25:1C:05:10:C1:A0:
  • BB:D2:0B:22:46:9E:4B:77:C8:36:FC:7C:BE:39:2C:B1:
  • 6F:C7:A1:83:9F:02:20:50:8A:73:19:2A:5D:58:5D:6C:
  • 30:D7:CC:05:EB:3F:16:C7:50:82:62:AB:14:16:A0:99:
  • B1:13:92:7E:F5:2C:A7
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : DF:A5:5E:AB:68:82:4F:1F:6C:AD:EE:B8:5F:4E:3E:5A:
  • EA:CD:A2:12:A4:6A:5E:8E:3B:12:C0:20:44:5C:2A:73
  • Timestamp : May 15 09:47:52.960 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:8D:E3:B7:73:D4:C6:68:FA:42:9B:5E:
  • A8:9C:0E:96:D6:48:25:DF:98:17:5E:3C:64:79:42:7C:
  • D2:3F:99:D4:3B:02:20:5C:70:0A:8F:D5:17:75:AC:38:
  • 77:2C:81:B7:31:27:17:6B:8E:81:17:7E:4B:75:B5:55:
  • 44:4F:C0:CA:36:26:82
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 6F:53:76:AC:31:F0:31:19:D8:99:00:A4:51:15:FF:77:
  • 15:1C:11:D9:02:C1:00:29:06:8D:B2:08:9A:37:D9:13
  • Timestamp : May 15 09:47:52.781 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:DB:6F:06:3E:BF:61:DD:D0:B0:F4:7A:
  • 76:AE:CC:65:08:F7:0A:50:2B:C3:72:A0:0E:2B:9A:DB:
  • DF:F8:75:73:26:02:21:00:DC:42:F7:FE:51:DF:27:36:
  • 50:5E:03:AC:1F:A6:61:20:F2:00:E4:F3:25:E0:8C:E9:
  • 7E:78:CC:32:6F:DD:9A:69
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 29:79:BE:F0:9E:39:39:21:F0:56:73:9F:63:A5:77:E5:
  • BE:57:7D:9C:60:0A:F8:F9:4D:5D:26:5C:25:5D:C7:84
  • Timestamp : May 15 09:47:52.841 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:96:65:A1:A0:B9:DB:59:41:BB:C0:72:
  • 2E:42:E8:7B:28:8B:50:72:5C:13:DF:F5:18:FD:DD:0A:
  • CD:87:2F:69:4B:02:20:0A:16:F9:16:BF:1D:1F:C4:CE:
  • B6:A4:CC:66:D9:7F:8F:A8:40:87:A3:C9:DA:95:BB:09:
  • 7E:87:A7:80:E3:DC:1A