SSL-Tools

SSL check results of defend2.org

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Discover if the mail servers for defend2.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

JSON Refresh

Report created Tue, 09 Sep 2025 14:40:17 +0000

The mailservers of defend2.org can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @defend2.org addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mx-1.defend2.org
96.246.224.30
 10
supported
*.defend2.org
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
5 s
mx-capricab.easydns.com
64.68.200.31
Results incomplete
30
supported
*.easydns.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s

Outgoing Mails

We have received emails from these servers with @defend2.org sender addresses. Test mail delivery

Host TLS Version & Cipher
mx-1.defend2.org (96.246.224.30)
TLSv1.3 TLS_AES_256_GCM_SHA384
mta7.srv.hcvlny.cv.net (167.206.4.202)
TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256
mta2.srv.hcvlny.cv.net (167.206.4.197)
TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256

Certificates

First seen at:

CN=*.defend2.org

Certificate chain
  • *.defend2.org
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
      • R12
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • *.defend2.org
Alternative Names
  • *.defend2.org
  • defend2.org
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R12
validity period
Not valid before
2025-09-08
Not valid after
2025-12-07
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
73:58:32:32:95:0B:76:2F:31:60:9E:2A:57:85:92:85:86:6E:EA:B4:4A:CE:64:C3:0D:17:A7:A5:F2:6B:BB:60
SHA1
75:7D:A3:02:B7:71:7B:43:36:D5:30:89:26:C1:B8:50:BC:A2:5B:10
X509v3 extensions
subjectKeyIdentifier
  • 2A:8B:A8:7F:77:A2:0B:44:2D:60:1F:79:76:82:CD:29:5B:DB:92:4E
authorityKeyIdentifier
  • keyid:00:B5:29:F2:2D:8E:6F:31:E8:9B:4C:AD:78:3E:FA:DC:E9:0C:D1:D2
authorityInfoAccess
  • CA Issuers - URI:http://r12.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://r12.c.lencr.org/64.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C:
  • 22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0
  • Timestamp : Sep 8 21:49:32.055 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:4C:5C:41:E5:1F:E6:72:C4:50:F6:73:60:
  • 87:D9:7D:10:E7:4A:42:08:53:1A:02:96:B5:14:E5:3F:
  • B2:5C:F4:8E:02:20:0B:B9:B2:3E:EF:DB:DD:04:12:CB:
  • C2:B9:A3:92:F5:00:C6:F7:6D:74:08:53:88:64:AF:60:
  • 02:FB:33:71:34:B9
  • 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 : Sep 8 21:49:34.009 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:0A:DF:CD:63:68:A5:56:67:FB:8C:7E:FD:
  • C9:0F:C5:2C:0A:FC:EC:99:C9:DF:08:06:5E:4F:0A:FC:
  • 61:06:74:4C:02:21:00:FB:8A:57:41:E9:AF:53:3B:F7:
  • 90:5A:0E:1E:5A:74:8C:2E:CE:CA:FA:73:2B:73:67:6F:
  • FC:A9:28:38:DB:A2:78
First seen at:

CN=*.easydns.com

Certificate chain
Subject
Common Name (CN)
  • *.easydns.com
Alternative Names
  • *.easydns.com
  • easydns.com
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Organizational Unit (OU)
  • www.digicert.com
Common Name (CN)
  • RapidSSL TLS RSA CA G1
validity period
Not valid before
2024-12-27
Not valid after
2026-01-22
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
66:EE:53:A1:F4:AD:00:03:F7:74:BB:8C:CB:08:6F:8D:95:10:61:83:67:E0:E1:87:75:B0:45:08:E3:B1:92:37
SHA1
25:9F:DE:A6:54:C1:BD:F3:D6:D3:7A:C4:62:F1:AF:2B:E7:2F:10:84
X509v3 extensions
authorityKeyIdentifier
  • keyid:0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
subjectKeyIdentifier
  • C3:44:5E:06:5D:03:00:F9:9B:A9:1B:29:A9:68:97:26:34:89:5E:79
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • CPS: http://www.digicert.com/CPS
crlDistributionPoints
  • Full Name:
  • URI:http://cdp.rapidssl.com/RapidSSLTLSRSACAG1.crl
authorityInfoAccess
  • OCSP - URI:http://status.rapidssl.com
  • CA Issuers - URI:http://cacerts.rapidssl.com/RapidSSLTLSRSACAG1.crt
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 0E:57:94:BC:F3:AE:A9:3E:33:1B:2C:99:07:B3:F7:90:
  • DF:9B:C2:3D:71:32:25:DD:21:A9:25:AC:61:C5:4E:21
  • Timestamp : Dec 27 12:28:17.084 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:C1:87:90:CE:35:2E:34:99:D0:04:F0:
  • BF:D0:B0:08:94:72:2A:8E:C9:13:64:9D:02:D3:BF:56:
  • 9E:D7:95:EA:F4:02:20:1C:AD:BD:E3:AC:4C:8E:DA:C2:
  • 67:9D:82:5A:11:A5:87:AB:3C:A2:4B:2F:11:2C:99:EB:
  • 66:8B:6D:19:7C:A6:FB
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 64:11:C4:6C:A4:12:EC:A7:89:1C:A2:02:2E:00:BC:AB:
  • 4F:28:07:D4:1E:35:27:AB:EA:FE:D5:03:C9:7D:CD:F0
  • Timestamp : Dec 27 12:28:17.112 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:5F:D7:E3:A9:4F:73:DF:9D:3C:5D:FC:EF:
  • 0B:A1:75:EA:19:6E:FB:04:B5:D3:3C:88:47:42:CC:DC:
  • 07:84:07:21:02:21:00:A6:F4:A3:78:E7:67:B5:84:81:
  • D7:99:77:68:1E:E4:5C:7D:33:92:99:D9:7E:5C:C8:0D:
  • D6:8C:FC:27:47:9F:EB
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 49:9C:9B:69:DE:1D:7C:EC:FC:36:DE:CD:87:64:A6:B8:
  • 5B:AF:0A:87:80:19:D1:55:52:FB:E9:EB:29:DD:F8:C3
  • Timestamp : Dec 27 12:28:17.128 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:2A:76:27:EC:5B:23:33:22:D1:33:35:24:
  • A9:7B:30:59:E4:AA:D1:E1:30:15:A7:5B:4E:53:50:5B:
  • 64:C2:3F:B5:02:21:00:C3:6F:AD:BE:91:E9:2E:50:28:
  • 4A:45:A2:5F:C7:87:33:9D:DE:0C:1C:0D:D0:30:FF:EF:
  • 58:EA:6D:6B:E1:B1:0A

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.mx-1.defend2.org
  • DANE-EE: Domain Issued Certificate
  • Use full certificate
  • SHA-256 Hash
valid
valid