SSL-Tools

SSL check results of stargrave.org

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Discover if the mail servers for stargrave.org 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

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Report created Mon, 01 Apr 2024 11:11:43 +0000

We can not guarantee a secure connection to the mailservers of stargrave.org!

Please contact the operator of stargrave.org and ask him or her to solve this problem. This result stays accessible under the following address:

/mailservers/stargrave.org

Servers

Incoming Mails

These servers are responsible for incoming mails to @stargrave.org addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mailfake0.stargrave.org
2a05:fb42:20f:11::100
Results incomplete
10 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s
mail2.stargrave.org
2a04:ac00:a:146::2525
 20
supported
mail2.stargrave.org
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
67 s
mail2.stargrave.org
91.211.5.21
 20
supported
mail2.stargrave.org
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • SSLv3
68 s
mailfake1.stargrave.org
2a05:fb42:20f:11::300
Results incomplete
30 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s

Outgoing Mails

We have not received any emails from a @stargrave.org address so far. Test mail delivery

Certificates

First seen at:

CN=mail2.stargrave.org,C=RU

Certificate chain
  • mail2.stargrave.org
    • remaining
    • 256 bit
    • ecdsa-with-SHA512
      • ca.cypherpunks.ru (Certificate is self-signed.)
        • remaining
        • 521 bit
        • ecdsa-with-SHA512
        • Unknown Authority
Subject
Country (C)
  • RU
Common Name (CN)
  • mail2.stargrave.org
Alternative Names
  • mail2.stargrave.org
Issuer
Country (C)
  • RU
Common Name (CN)
  • ca.cypherpunks.ru
validity period
Not valid before
2023-12-04
Not valid after
2024-12-03
This certifcate has been verified for the following usages:
  • Digital Signature
Fingerprints
SHA256
38:6B:86:8E:16:98:F2:D1:B9:87:E6:32:6D:18:94:07:78:AE:DD:84:4A:FA:E7:29:31:F9:F6:DA:E1:21:16:D1
SHA1
BE:53:B2:59:8D:B1:47:56:BB:A8:1F:79:11:1D:89:F5:19:51:F8:E1
X509v3 extensions
subjectKeyIdentifier
  • 17:15:D4:10:6C:6D:91:04:2D:70:A5:1D:D8:50:A2:AB:A7:1A:7D:6E
authorityKeyIdentifier
  • keyid:D4:F8:BC:B3:8F:E6:23:98:FB:EB:1E:3D:CE:CD:8A:0C:A9:A3:D8:46

DANE

DNS-based Authentication of Named Entities (DANE) is a protocol to allow X.509 certificates to be bound to DNS using TLSA records and DNSSEC.

Name Options DNSSEC Matches
_25._tcp.mail2.stargrave.org
  • DANE-EE: Domain Issued Certificate
  • Use subject public key
  • SHA-256 Hash
error
Debug
valid