SSL check results of newnet.com.br

NEW You can also bulk check multiple servers.

Discover if the mail servers for newnet.com.br 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, 24 Jul 2019 21:25:11 +0000

The mailservers of newnet.com.br can be reached through an encrypted connection.

However, we found problems that may affect the security.

Servers

Incoming Mails

These servers are responsible for incoming mails to @newnet.com.br addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mx.core.locaweb.com.br
177.153.23.241
10
supported
*.locaweb.com.br
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
12 s
mx.a.locaweb.com.br
186.202.4.42
20
supported
*.locaweb.com.br
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
13 s
mx.b.locaweb.com.br
177.153.23.242
20
supported
*.locaweb.com.br
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
12 s
mx.jk.locaweb.com.br
200.234.204.130
20
supported
*.locaweb.com.br
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
10 s

Outgoing Mails

We have received emails from these servers with @newnet.com.br sender addresses. Test mail delivery

Host TLS Version & Cipher
unknown (187.103.15.54)
Insecure - not encrypted!

Certificates

First seen at:

CN=*.locaweb.com.br,OU=Domain Control Validated

Certificate chain
Subject
Organizational Unit (OU)
  • Domain Control Validated
Common Name (CN)
  • *.locaweb.com.br
Alternative Names
  • *.locaweb.com.br
  • locaweb.com.br
Issuer
Country (C)
  • BE
Organization (O)
  • GlobalSign nv-sa
Common Name (CN)
  • GlobalSign RSA DV SSL CA 2018
validity period
Not valid before
2019-06-11
Not valid after
2021-06-11
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
0E:DD:93:DB:86:AF:56:B5:D0:18:4D:6B:5A:5A:72:23:70:D1:3B:55:39:DD:14:8C:50:E9:BD:D5:19:D7:5A:35
SHA1
41:C5:EC:93:AD:20:56:08:B8:D7:1B:42:FC:61:84:2B:B2:8D:19:3D
X509v3 extensions
authorityInfoAccess
  • CA Issuers - URI:http://secure.globalsign.com/cacert/gsrsadvsslca2018.crt
  • OCSP - URI:http://ocsp.globalsign.com/gsrsadvsslca2018
certificatePolicies
  • Policy: 1.3.6.1.4.1.4146.1.10
  • CPS: https://www.globalsign.com/repository/
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://crl.globalsign.com/gsrsadvsslca2018.crl
authorityKeyIdentifier
  • keyid:81:80:D6:28:79:35:4A:5B:79:35:89:39:8F:12:17:6E:11:7B:2C:11
subjectKeyIdentifier
  • 94:BD:76:55:4D:63:CE:A5:0E:C9:D5:FA:65:8B:3E:E5:C5:5E:76:95
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 6F:53:76:AC:31:F0:31:19:D8:99:00:A4:51:15:FF:77:
  • 15:1C:11:D9:02:C1:00:29:06:8D:B2:08:9A:37:D9:13
  • Timestamp : Jun 11 21:29:06.912 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:EE:3D:3D:F3:CB:9D:BE:6F:88:07:BF:
  • 75:61:AA:E7:CC:2C:A3:81:96:AA:39:A1:C5:6D:F6:0B:
  • BE:E9:88:78:54:02:21:00:DC:8B:BF:39:B7:A6:CE:0F:
  • 11:C0:0D:4B:C4:98:DD:CA:3F:82:C1:6E:4E:06:61:BA:
  • 8A:3B:6A:40:7B:61:62:E0
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : EE:4B:BD:B7:75:CE:60:BA:E1:42:69:1F:AB:E1:9E:66:
  • A3:0F:7E:5F:B0:72:D8:83:00:C4:7B:89:7A:A8:FD:CB
  • Timestamp : Jun 11 21:29:06.732 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:83:AE:FA:54:93:50:FF:7D:D6:16:25:
  • 17:22:B5:F1:9B:2C:99:78:B4:21:04:4F:56:B2:AE:0A:
  • D2:DA:AD:2A:EB:02:20:2B:EC:F0:20:5F:20:3B:79:0C:
  • E8:43:01:5D:64:F5:2C:17:B1:C1:84:F8:7D:04:B9:1D:
  • 1F:69:E9:D7:03:51:A5
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 55:81:D4:C2:16:90:36:01:4A:EA:0B:9B:57:3C:53:F0:
  • C0:E4:38:78:70:25:08:17:2F:A3:AA:1D:07:13:D3:0C
  • Timestamp : Jun 11 21:29:06.586 2019 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:89:7F:7D:E8:8B:0D:73:91:04:9E:76:
  • 82:33:DB:7B:67:38:4E:30:B1:0E:96:33:5C:CA:26:23:
  • 7F:81:90:EA:18:02:20:35:14:DA:18:93:23:E9:DA:A9:
  • 56:6F:5A:E5:B4:DF:E3:99:12:7E:5D:5C:90:CA:5E:93:
  • B0:47:D6:96:AF:38:D6