SSL-Tools

SSL check results of gomi-tk.co.jp

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Discover if the mail servers for gomi-tk.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 Wed, 03 Apr 2024 06:01:56 +0000

The mailservers of gomi-tk.co.jp can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @gomi-tk.co.jp addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
ds072-102.domainserver.ne.jp
103.241.128.175
 30
supported
*.domainserver.ne.jp
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
12 s

Outgoing Mails

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

Certificates

First seen at:

CN=*.domainserver.ne.jp

Certificate chain
Subject
Common Name (CN)
  • *.domainserver.ne.jp
Alternative Names
  • *.domainserver.ne.jp
  • domainserver.ne.jp
Issuer
Country (C)
  • BE
Organization (O)
  • GlobalSign nv-sa
Common Name (CN)
  • GlobalSign GCC R3 DV TLS CA 2020
validity period
Not valid before
2023-08-03
Not valid after
2024-09-03
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
75:6D:EF:EC:33:BA:6C:CD:9E:59:D9:95:50:1B:7C:DD:5D:0F:59:9C:DB:F2:D0:C4:A0:D0:92:00:DC:4B:44:92
SHA1
8C:2D:D0:25:8C:EF:6C:A9:81:F3:FA:82:20:6C:72:6E:22:1F:CC:AA
X509v3 extensions
authorityInfoAccess
  • CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr3dvtlsca2020.crt
  • OCSP - URI:http://ocsp.globalsign.com/gsgccr3dvtlsca2020
certificatePolicies
  • Policy: 1.3.6.1.4.1.4146.1.10
  • CPS: https://www.globalsign.com/repository/
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://crl.globalsign.com/gsgccr3dvtlsca2020.crl
authorityKeyIdentifier
  • keyid:0D:98:C0:73:7F:AB:BD:BD:D9:47:4B:49:AD:0A:4A:0C:AC:3E:C7:7C
subjectKeyIdentifier
  • B4:CD:DE:B2:01:21:DE:FD:74:BD:7C:0E:78:CA:27:05:8C:FF:9F:61
ct_precert_scts
  • 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 : Aug 3 06:02:32.623 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:46:8B:B3:CC:C6:A3:C5:16:25:96:BD:30:
  • E7:87:66:CD:FB:7C:A6:41:3B:35:91:E3:29:A2:CB:0D:
  • A3:BB:EF:83:02:21:00:EA:09:DD:8E:BC:41:C1:C5:B7:
  • FF:DA:DA:C0:F7:F8:8F:A3:DD:D2:10:3E:09:8E:EA:A0:
  • AA:A6:DF:2B:01:A3:F8
  • 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 : Aug 3 06:02:32.984 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:00:89:A6:97:D4:1A:0B:C9:20:27:05:1D:
  • 88:36:B2:74:A6:B1:41:9B:AE:ED:60:0A:F6:1C:7C:6C:
  • 20:74:95:5D:02:20:74:6B:44:10:F2:CA:00:25:0B:86:
  • 18:58:A9:28:ED:04:E3:38:88:2C:1D:25:C4:33:22:E6:
  • BF:4B:1A:D2:D2:DC
  • 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 : Aug 3 06:02:32.187 2023 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:78:A5:5A:17:56:0A:98:A3:45:7F:0B:39:
  • 3A:C2:27:F6:8D:F9:47:BF:15:83:55:3F:A1:54:6B:AF:
  • 5B:A9:09:65:02:21:00:ED:81:51:AA:3A:BB:23:19:06:
  • 5C:B2:66:FC:52:B3:96:9C:39:91:01:F1:7B:1D:D9:95:
  • F2:E5:33:E8:2A:84:73