SSL check results of acessecomunicacao.com.br

NEW You can also bulk check multiple servers.

Discover if the mail servers for acessecomunicacao.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 Sat, 29 Dec 2018 23:27:24 +0000

The mailservers of acessecomunicacao.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 @acessecomunicacao.com.br addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
aspmx.l.google.com
2a00:1450:4013:c04::1a
10
supported
mx.google.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
1 s
aspmx.l.google.com
108.177.127.27
10
supported
mx.google.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s
alt1.aspmx.l.google.com
2404:6800:4003:c03::1a
20
supported
mx.google.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
15 s
alt1.aspmx.l.google.com
74.125.24.26
20
supported
mx.google.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
16 s
alt2.aspmx.l.google.com
2404:6800:4008:c01::1b
20
supported
mx.google.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
15 s
alt2.aspmx.l.google.com
108.177.125.27
20
supported
mx.google.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
15 s
aspmx2.googlemail.com
2404:6800:4003:c03::1a
30
supported
mx.google.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
15 s
aspmx2.googlemail.com
74.125.24.27
30
supported
mx.google.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
16 s
aspmx3.googlemail.com
2404:6800:4008:c01::1a
30
supported
mx.google.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
14 s
aspmx3.googlemail.com
108.177.125.27
30
supported
mx.google.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
14 s
mail.acessecomunicacao.com.br
187.94.215.251
50
supported
srvepace.epace
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
20 s

Outgoing Mails

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

Host TLS Version & Cipher
unknown (186.193.28.33)
Insecure - not encrypted!
unknown (187.94.214.7)
Insecure - not encrypted!
unknown (186.193.23.67)
Insecure - not encrypted!
unknown (186.193.24.136)
Insecure - not encrypted!
unknown (186.193.20.50)
Insecure - not encrypted!
unknown (186.193.20.4)
Insecure - not encrypted!
unknown (186.193.20.59)
Insecure - not encrypted!

Certificates

First seen at:

CN=mx.google.com,O=Google LLC,L=Mountain View,ST=California,C=US

Certificate chain
Subject
Country (C)
  • US
State (ST)
  • California
Locality (L)
  • Mountain View
Organization (O)
  • Google LLC
Common Name (CN)
  • mx.google.com
Alternative Names
  • mx.google.com
  • alt1.aspmx.l.google.com
  • alt1.gmail-smtp-in.l.google.com
  • alt1.gmr-smtp-in.l.google.com
  • alt2.aspmx.l.google.com
  • alt2.gmail-smtp-in.l.google.com
  • alt2.gmr-smtp-in.l.google.com
  • alt3.aspmx.l.google.com
  • alt3.gmail-smtp-in.l.google.com
  • alt3.gmr-smtp-in.l.google.com
  • alt4.aspmx.l.google.com
  • alt4.gmail-smtp-in.l.google.com
  • alt4.gmr-smtp-in.l.google.com
  • aspmx.l.google.com
  • aspmx2.googlemail.com
  • aspmx3.googlemail.com
  • aspmx4.googlemail.com
  • aspmx5.googlemail.com
  • gmail-smtp-in.l.google.com
  • gmr-mx.google.com
  • gmr-smtp-in.l.google.com
Issuer
Country (C)
  • US
Organization (O)
  • Google Trust Services
Common Name (CN)
  • Google Internet Authority G3
validity period
Not valid before
2018-12-04
Not valid after
2019-02-26
This certifcate has been verified for the following usages:
  • TLS Web Server Authentication
Fingerprints
SHA256
66:A0:24:8A:FF:CF:0D:A0:51:D0:7D:BE:DB:3E:5F:79:F6:B7:47:48:03:2F:E7:17:F2:28:F2:92:EF:66:D4:DF
SHA1
2C:25:73:A5:90:B6:9F:F6:78:03:7C:D4:DF:23:4D:AA:15:45:7E:62
X509v3 extensions
authorityInfoAccess
  • CA Issuers - URI:http://pki.goog/gsr2/GTSGIAG3.crt
  • OCSP - URI:http://ocsp.pki.goog/GTSGIAG3
subjectKeyIdentifier
  • 04:82:9B:76:47:54:99:06:58:F6:B8:3C:F0:07:18:08:77:85:32:4C
authorityKeyIdentifier
  • keyid:77:C2:B8:50:9A:67:76:76:B1:2D:C2:86:D0:83:A0:7E:A6:7E:BA:4B
certificatePolicies
  • Policy: 1.3.6.1.4.1.11129.2.5.3
  • Policy: 2.23.140.1.2.2
crlDistributionPoints
  • Full Name:
  • URI:http://crl.pki.goog/GTSGIAG3.crl
First seen at:

emailAddress=alan@epace.com.br,CN=srvepace.epace,OU=TI,O=Epace Informática,L=Espera Feliz,ST=Minas Gerais,C=MG

Certificate chain
  • srvepace.epace (Certificate is self-signed.)
    • remaining
    • 4096 bit
    • sha256WithRSAEncryption
    • Hostname Mismatch
    • Unknown Authority

Subject
Country (C)
  • MG
State (ST)
  • Minas Gerais
Locality (L)
  • Espera Feliz
Organization (O)
  • Epace Informática
Organizational Unit (OU)
  • TI
Common Name (CN)
  • srvepace.epace
Email
  • alan@epace.com.br
Issuer

Certificate is self-signed.

validity period
Not valid before
2017-06-13
Not valid after
2027-06-11
Fingerprints
SHA256
DE:97:81:38:CA:10:BE:BC:60:50:13:E7:7B:C7:59:24:BE:37:FE:1C:61:79:03:43:B0:12:F1:2C:1B:28:9D:5C
SHA1
03:56:27:AB:09:22:B4:40:53:78:EB:F2:00:83:79:0F:34:83:E9:A1
X509v3 extensions
subjectKeyIdentifier
  • 5D:A4:7A:11:81:A7:96:24:1F:C6:99:A3:8F:EC:51:3F:A3:44:6E:61
authorityKeyIdentifier
  • keyid:5D:A4:7A:11:81:A7:96:24:1F:C6:99:A3:8F:EC:51:3F:A3:44:6E:61