SSL-Tools

SSL check results of suddenlink.net

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Discover if the mail servers for suddenlink.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

JSON Refresh

Report created Wed, 27 May 2020 17:01:23 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mx.suddenlink.net
208.180.40.132
 10
supported
mx.suddenlink.net
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
22 s

Outgoing Mails

We have received emails from these servers with @suddenlink.net sender addresses. Test mail delivery

Host TLS Version & Cipher
66-76-255-156.lbbkcmtk01.com.sta.suddenlink.net (66.76.255.156)
Insecure - not encrypted!
unknown (24.121.219.54)
Insecure - not encrypted!
66-76-58-60.mnwlcmta01.com.sta.suddenlink.net (66.76.58.60)
Insecure - not encrypted!
unknown (173.217.255.36)
Insecure - not encrypted!
208-180-33-94.com.sta.suddenlink.net (208.180.33.94)
Insecure - not encrypted!

Certificates

First seen at:

CN=mx.suddenlink.net,O=Altice USA\, Inc.,L=Bethpage,ST=New York,C=US

Certificate chain
Subject
Country (C)
  • US
State (ST)
  • New York
Locality (L)
  • Bethpage
Organization (O)
  • Altice USA, Inc.
Common Name (CN)
  • mx.suddenlink.net
Alternative Names
  • mx.suddenlink.net
  • mx.suddenlinkmail.com
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Common Name (CN)
  • DigiCert Global CA G2
validity period
Not valid before
2019-08-05
Not valid after
2020-08-12
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
22:1D:EF:87:0B:F1:D7:23:59:14:22:B4:29:96:C1:E6:4E:87:E4:45:06:08:C5:95:D0:23:00:72:B8:45:19:F4
SHA1
27:D7:0E:69:8A:7E:F4:0C:0F:FB:DD:E0:53:41:D2:25:28:39:1E:5E
X509v3 extensions
authorityKeyIdentifier
  • keyid:24:6E:2B:2D:D0:6A:92:51:51:25:69:01:AA:9A:47:A6:89:E7:40:20
subjectKeyIdentifier
  • 41:49:0A:3E:DD:10:23:5F:46:EA:2E:50:49:10:9C:CD:DB:FD:36:E1
crlDistributionPoints
  • Full Name:
  • URI:http://crl3.digicert.com/DigiCertGlobalCAG2.crl
  • Full Name:
  • URI:http://crl4.digicert.com/DigiCertGlobalCAG2.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/DigiCertGlobalCAG2.crt
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : BB:D9:DF:BC:1F:8A:71:B5:93:94:23:97:AA:92:7B:47:
  • 38:57:95:0A:AB:52:E8:1A:90:96:64:36:8E:1E:D1:85
  • Timestamp : Aug 5 18:54:02.115 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:55:1F:F9:62:DE:44:61:FF:30:E6:5A:98:
  • 8C:77:C9:23:2B:0E:17:58:D5:D8:FE:A1:63:A5:84:28:
  • 54:D8:1A:C5:02:21:00:B2:7E:57:AF:D6:79:46:34:F7:
  • 78:FF:2E:93:47:19:ED:4C:34:B4:45:A9:FD:7F:EF:EA:
  • 9F:B9:C3:5B:A6:56:67
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 87:75:BF:E7:59:7C:F8:8C:43:99:5F:BD:F3:6E:FF:56:
  • 8D:47:56:36:FF:4A:B5:60:C1:B4:EA:FF:5E:A0:83:0F
  • Timestamp : Aug 5 18:54:02.286 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:48:D9:B9:11:77:BD:7D:D6:17:B1:44:C2:
  • 99:76:2D:EB:28:E8:3B:2C:0B:A2:E9:B0:82:3D:0A:61:
  • 7F:C4:F0:49:02:20:51:C2:B2:0B:9E:98:31:E6:F4:82:
  • 6C:D4:10:BC:FB:E4:B1:1F:5A:F6:AF:07:7E:41:7F:2E:
  • 83:AD:30:BA:E7:16