SSL check results of sourcestop.org

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Discover if the mail servers for sourcestop.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

Report created Fri, 17 Feb 2017 17:14:33 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
aspmx.l.google.com
2a00:1450:4013:c05::1a
1
supported
mx.google.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
1.0 s
aspmx.l.google.com
173.194.79.27
1
supported
mx.google.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
1.0 s
alt1.aspmx.l.google.com
2404:6800:4003:c01::1b
5
supported
mx.google.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
16.0 s
alt1.aspmx.l.google.com
74.125.130.27
5
supported
mx.google.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
16.0 s
alt2.aspmx.l.google.com
2404:6800:4008:c05::1b
5
supported
mx.google.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
15.0 s
alt2.aspmx.l.google.com
64.233.187.27
5
supported
mx.google.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
15.0 s
alt3.aspmx.l.google.com
2607:f8b0:400e: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
6.0 s
alt3.aspmx.l.google.com
74.125.28.27
10
supported
mx.google.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
8.0 s
alt4.aspmx.l.google.com
2607:f8b0:4003:c17::1a
10
supported
mx.google.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
6.0 s
alt4.aspmx.l.google.com
173.194.67.27
10
supported
mx.google.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
6.0 s

Outgoing Mails

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

Certificates

First seen at:

mx.google.com

Certificate chain
Subject
Country (C)
  • US
State (ST)
  • California
Locality (L)
  • Mountain View
Organization (O)
  • Google Inc
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 Inc
Common Name (CN)
  • Google Internet Authority G2
validity period
Not valid before
2017-02-01
Not valid after
2017-04-26
This certifcate has been verified for the following usages:
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
A0:13:FC:17:F6:BC:14:CE:BB:9E:C3:B9:3B:D7:2C:E9:6B:5D:DE:09:E2:3B:02:2D:26:B9:A6:EA:97:A8:2C:72
SHA1
19:0B:E2:D8:5C:4F:D9:6D:01:12:28:7F:79:33:46:C0:B4:C6:2B:BF
X509v3 extensions
authorityInfoAccess
  • CA Issuers - URI:http://pki.google.com/GIAG2.crt
  • OCSP - URI:http://clients1.google.com/ocsp
subjectKeyIdentifier
  • 8A:EE:8B:D4:FD:40:55:4F:BF:7E:19:80:8B:C5:04:C8:98:E0:CE:78
authorityKeyIdentifier
  • keyid:4A:DD:06:16:1B:BC:F6:68:B5:76:F5:81:B6:BB:62:1A:BA:5A:81:2F
certificatePolicies
  • Policy: 1.3.6.1.4.1.11129.2.5.1
  • Policy: 2.23.140.1.2.2
crlDistributionPoints
  • Full Name:
  • URI:http://pki.google.com/GIAG2.crl