SSL-Tools

SSL check results of smtp.xs4all.nl

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Discover if the mail servers for smtp.xs4all.nl 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 Fri, 28 Jan 2022 08:49:32 +0000

The mailservers of smtp.xs4all.nl can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @smtp.xs4all.nl addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
smtp.xs4all.nl
195.121.65.191
 -
supported
smtp.xs4all.nl
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 @smtp.xs4all.nl address so far. Test mail delivery

Certificates

First seen at:

CN=smtp.xs4all.nl

Certificate chain
Subject
Common Name (CN)
  • smtp.xs4all.nl
Alternative Names
  • smtp.xs4all.nl
  • smpt.xs4all.nl
  • smtp-ipv4.xs4all.nl
  • smtps.xs4all.nl
  • stmp.xs4all.nl
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
2021-08-27
Not valid after
2022-08-27
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
42:04:15:5C:42:C6:50:AF:7C:6B:05:44:32:DD:4C:04:A1:2A:0F:4C:16:C4:15:4A:60:24:3D:31:7C:20:47:04
SHA1
E0:AC:1F:2B:DC:0D:C6:72:4F:3F:60:91:AC:06:03:B2:22:D3:AC:1A
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
  • EA:E8:FF:3E:D6:71:6C:1F:FE:B1:0B:2A:CC:E3:A4:19:DC:B9:49:7F
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 : Aug 27 08:41:12.767 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:56:32:FD:8A:25:15:3E:B4:3A:E6:FF:9D:
  • D4:EE:79:DB:0E:AB:CB:1C:AB:8F:1E:58:AF:4E:D0:9A:
  • FD:09:47:08:02:20:49:A8:6B:6F:85:79:C7:C9:0A:24:
  • F4:51:5F:41:20:88:DB:5C:9B:8C:1A:A3:8B:2D:A6:87:
  • A8:6C:5A:4D:5B:12
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 41:C8:CA:B1:DF:22:46:4A:10:C6:A1:3A:09:42:87:5E:
  • 4E:31:8B:1B:03:EB:EB:4B:C7:68:F0:90:62:96:06:F6
  • Timestamp : Aug 27 08:41:13.025 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:AC:18:2F:19:8B:17:1C:43:26:4B:3E:
  • 43:E4:8E:64:E6:DB:63:05:6B:95:43:1F:18:4C:5D:F7:
  • 89:50:5F:D3:78:02:20:1F:0E:A4:8F:F9:D8:9B:23:0A:
  • 5C:74:6E:C0:D3:2C:BF:5B:BA:07:F5:88:40:AE:4D:F2:
  • 3A:E7:42:A4:DC:D9:AA
  • 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 : Aug 27 08:41:12.665 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:E2:1D:9D:B3:B1:27:E1:C0:DB:AD:42:
  • 99:84:04:33:19:A3:B6:6B:A9:7B:54:A8:06:2F:71:ED:
  • 8B:A6:E1:08:DC:02:21:00:AA:49:6E:40:02:E1:75:79:
  • 3A:E8:F1:41:28:76:D2:DC:4C:BE:57:38:D9:45:55:55:
  • B4:61:9B:62:02:C4:9D:27