SSL check results of rir.company

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Discover if the mail servers for rir.company 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

Report created Tue, 22 Apr 2025 00:31:10 +0000

The mailservers of rir.company can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @rir.company addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
relay.rir.company
185.243.76.64
10
supported
relay.rir.company
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
9 s

Outgoing Mails

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

Certificates

First seen at:

CN=relay.rir.company

Certificate chain
  • relay.rir.company
    • remaining
    • 256 bit
    • ecdsa-with-SHA384

      • E5
        • remaining
        • 384 bit
        • sha256WithRSAEncryption

          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption

Subject
Common Name (CN)
  • relay.rir.company
Alternative Names
  • relay.rir.company
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E5
validity period
Not valid before
2025-04-16
Not valid after
2025-07-15
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
14:5D:85:6A:BC:4A:9F:E2:6D:6F:BB:8B:3C:10:05:30:F4:25:FB:D8:0C:A5:6E:B4:BE:F2:2D:83:09:C0:78:04
SHA1
D2:65:B0:50:F3:FE:5A:33:E3:49:DF:5D:73:C7:15:3E:95:66:70:40
X509v3 extensions
subjectKeyIdentifier
  • 8F:45:84:AB:F4:3E:D1:83:9B:1A:33:AE:50:52:BC:79:8B:B3:30:67
authorityKeyIdentifier
  • keyid:9F:2B:5F:CF:3C:21:4F:9D:04:B7:ED:2B:2C:C4:C6:70:8B:D2:D7:0D
authorityInfoAccess
  • OCSP - URI:http://e5.o.lencr.org
  • CA Issuers - URI:http://e5.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://e5.c.lencr.org/98.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 0D:E1:F2:30:2B:D3:0D:C1:40:62:12:09:EA:55:2E:FC:
  • 47:74:7C:B1:D7:E9:30:EF:0E:42:1E:B4:7E:4E:AA:34
  • Timestamp : Apr 16 06:45:07.049 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:DE:DD:D1:55:D9:A7:43:17:63:6D:96:
  • BA:5C:DD:26:2D:6E:F5:78:68:E5:2C:81:32:51:5F:A3:
  • 68:01:1B:92:2C:02:20:37:98:3A:5A:9B:53:DB:8F:F2:
  • FD:9A:7F:E2:09:33:80:05:E0:C8:64:99:07:54:11:7A:
  • A6:AA:BB:5F:6A:9E:7D
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 7D:59:1E:12:E1:78:2A:7B:1C:61:67:7C:5E:FD:F8:D0:
  • 87:5C:14:A0:4E:95:9E:B9:03:2F:D9:0E:8C:2E:79:B8
  • Timestamp : Apr 16 06:45:07.024 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:19:E3:52:E2:01:C2:06:A8:06:49:08:CD:
  • 0C:66:BE:F6:D9:1E:DB:9D:4C:0B:C2:7D:8E:6B:57:F9:
  • C8:93:2C:39:02:21:00:B7:8A:84:45:1F:11:C4:92:0C:
  • A4:2F:9D:D0:A0:29:35:B8:2E:14:09:9B:3B:EA:29:EE:
  • CE:81:65:59:45:7F:4D