SSL check results of cassavant.net

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Discover if the mail servers for cassavant.net 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 Wed, 21 Jul 2021 20:36:57 +0000

The mailservers of cassavant.net can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @cassavant.net addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
d237981a.ess.barracudanetworks.com
209.222.82.255
0
supported
*.ess.barracudanetworks.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
15 s
d237981a.ess.barracudanetworks.com
209.222.82.252
0
supported
*.ess.barracudanetworks.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
15 s
d237981a.ess.barracudanetworks.com
209.222.82.253
0
supported
*.ess.barracudanetworks.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
15 s
d237981b.ess.barracudanetworks.com
209.222.82.255
5
supported
*.ess.barracudanetworks.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
15 s
d237981b.ess.barracudanetworks.com
209.222.82.253
5
supported
*.ess.barracudanetworks.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
15 s
d237981b.ess.barracudanetworks.com
209.222.82.252
5
supported
*.ess.barracudanetworks.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
16 s

Outgoing Mails

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

Certificates

First seen at:

CN=*.ess.barracudanetworks.com,O=Barracuda Networks\, Inc.,L=Campbell,ST=California,C=US

Certificate chain
Subject
Country (C)
  • US
State (ST)
  • California
Locality (L)
  • Campbell
Organization (O)
  • Barracuda Networks, Inc.
Common Name (CN)
  • *.ess.barracudanetworks.com
Alternative Names
  • *.ess.barracudanetworks.com
  • *.o.ess.barracudanetworks.com
  • ess.barracudanetworks.com
  • o.ess.barracudanetworks.com
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Organizational Unit (OU)
  • www.digicert.com
Common Name (CN)
  • DigiCert SHA2 High Assurance Server CA
validity period
Not valid before
2020-10-15
Not valid after
2021-10-19
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
AA:3F:FB:FF:D3:FC:B2:8D:92:F2:5D:8F:1D:20:47:3E:A8:8D:DC:0F:73:C4:D2:11:A9:E9:90:E3:2B:43:59:3D
SHA1
E0:76:64:E1:7F:F0:66:D7:7A:5B:2D:C0:DE:69:F2:02:C7:79:85:8E
X509v3 extensions
authorityKeyIdentifier
  • keyid:51:68:FF:90:AF:02:07:75:3C:CC:D9:65:64:62:A2:12:B8:59:72:3B
subjectKeyIdentifier
  • EB:A4:AE:EC:2C:92:00:D0:8A:49:B5:25:FB:A4:4A:DB:A1:9C:87:D6
crlDistributionPoints
  • Full Name:
  • URI:http://crl3.digicert.com/sha2-ha-server-g6.crl
  • Full Name:
  • URI:http://crl4.digicert.com/sha2-ha-server-g6.crl
certificatePolicies
  • Policy: 2.16.840.1.114412.1.1
  • CPS: https://www.digicert.com/CPS
  • Policy: 2.23.140.1.2.2
authorityInfoAccess
  • OCSP - URI:http://ocsp.digicert.com
  • CA Issuers - URI:http://cacerts.digicert.com/DigiCertSHA2HighAssuranceServerCA.crt
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : F6:5C:94:2F:D1:77:30:22:14:54:18:08:30:94:56:8E:
  • E3:4D:13:19:33:BF:DF:0C:2F:20:0B:CC:4E:F1:64:E3
  • Timestamp : Oct 15 21:49:47.360 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:45:CA:22:44:1D:CB:72:CE:CF:30:3F:4C:
  • B8:B1:1B:27:8C:95:51:CB:29:A3:C6:35:FA:F1:4C:79:
  • 43:31:70:EF:02:21:00:F6:B6:B7:C2:3C:8C:00:BB:D7:
  • B4:25:80:53:E3:E2:BD:6D:04:0C:11:24:79:8C:48:55:
  • E9:CF:99:A1:A9:8A:8C
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 5C:DC:43:92:FE:E6:AB:45:44:B1:5E:9A:D4:56:E6:10:
  • 37:FB:D5:FA:47:DC:A1:73:94:B2:5E:E6:F6:C7:0E:CA
  • Timestamp : Oct 15 21:49:47.436 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:AD:CE:4E:B0:EC:53:9F:94:17:E8:2C:
  • 9E:A1:C1:6E:35:68:82:B8:42:F3:4D:FB:9C:D8:94:F0:
  • E4:27:01:A0:54:02:20:35:59:2C:C5:DB:13:96:25:5E:
  • 29:18:3A:E9:F0:60:F2:E1:77:59:08:28:FC:06:18:A7:
  • C8:8D:83:68:52:1F:DD