SSL-Tools

SSL check results of isc-ishihara.co.jp

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Discover if the mail servers for isc-ishihara.co.jp 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, 14 Mar 2025 01:39:39 +0000

We can not guarantee a secure connection to the mailservers of isc-ishihara.co.jp!

Please contact the operator of isc-ishihara.co.jp and ask him or her to solve this problem. This result stays accessible under the following address:

/mailservers/isc-ishihara.co.jp

Servers

Incoming Mails

These servers are responsible for incoming mails to @isc-ishihara.co.jp addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.isc-ishihara.co.jp
153.120.181.135
Results incomplete
10
unsupported
not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s
raspberry.postmasteris.me
210.152.10.242
 20
supported
raspberry.cs534idcfcloud.internal
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
supported
  • ECDHE_RSA_WITH_RC4_128_SHA
  • SSL_RSA_WITH_RC4_128_SHA
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
23 s

Outgoing Mails

We have not received any emails from a @isc-ishihara.co.jp address so far. Test mail delivery

Certificates

First seen at:

CN=raspberry.cs534idcfcloud.internal

Certificate chain
Subject
Common Name (CN)
  • raspberry.cs534idcfcloud.internal
Issuer

Certificate is self-signed.

validity period
Not valid before
2016-09-25
Not valid after
2026-09-23
Fingerprints
SHA256
BD:12:94:74:15:BC:A6:11:5D:91:B5:23:9F:4D:B8:FF:AA:51:47:CB:A7:39:F3:20:AB:A3:CF:1A:AB:43:4A:AD
SHA1
F5:35:C7:31:E3:E3:A6:B0:74:40:5D:05:90:D2:D8:67:3E:71:77:C0