SSL check results of comcastbusiness.net

NEW You can also bulk check multiple servers.

Discover if the mail servers for comcastbusiness.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 Thu, 14 Jan 2016 04:17:38 +0000

No connection to the mailservers of comcastbusiness.net could be established.

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
comcastbusiness.net
165.160.15.20
Results incomplete
- not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s
comcastbusiness.net
165.160.13.20
Results incomplete
- not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s

Outgoing Mails

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

Host TLS Version & Cipher
50-207-187-254-static.hfc.comcastbusiness.net (50.207.187.254)
Insecure - not encrypted!
96-67-8-250-static.hfc.comcastbusiness.net (96.67.8.250)
Insecure - not encrypted!
173-15-78-129-Illinois.hfc.comcastbusiness.net (173.15.78.129)
Insecure - not encrypted!
unknown (96.69.186.73)
Insecure - not encrypted!
173-8-179-117-SFBA.hfc.comcastbusiness.net (173.8.179.117)
Insecure - not encrypted!
50-202-65-230-static.hfc.comcastbusiness.net (50.202.65.230)
Insecure - not encrypted!
50-247-73-249-static.hfc.comcastbusiness.net (50.247.73.249)
Insecure - not encrypted!
50-78-97-121-static.hfc.comcastbusiness.net (50.78.97.121)
Insecure - not encrypted!
23-25-104-129-static.hfc.comcastbusiness.net (23.25.104.129)
Insecure - not encrypted!
24-104-76-70-ip-static.hfc.comcastbusiness.net (24.104.76.70)
Insecure - not encrypted!
50-253-190-121-static.hfc.comcastbusiness.net (50.253.190.121)
Insecure - not encrypted!
173-164-254-165-SFBA.hfc.comcastbusiness.net (173.164.254.165)
Insecure - not encrypted!
173-9-236-148-Illinois.hfc.comcastbusiness.net (173.9.236.148)
Insecure - not encrypted!
173-8-145-236-SFBA.hfc.comcastbusiness.net (173.8.145.236)
Insecure - not encrypted!
96-68-189-10-static.hfc.comcastbusiness.net (96.68.189.10)
Insecure - not encrypted!
96-84-128-196-static.hfc.comcastbusiness.net (96.84.128.196)
Insecure - not encrypted!
96-95-74-217-static.hfc.comcastbusiness.net (96.95.74.217)
Insecure - not encrypted!
96-94-188-177-static.hfc.comcastbusiness.net (96.94.188.177)
Insecure - not encrypted!
173-164-173-65-SFBA.hfc.comcastbusiness.net (173.164.173.65)
Insecure - not encrypted!
unknown (216.145.91.131)
Insecure - not encrypted!
75-148-56-218-Charleston.hfc.comcastbusiness.net (75.148.56.218)
Insecure - not encrypted!
unknown (96.70.52.113)
Insecure - not encrypted!
96-66-219-157-static.hfc.comcastbusiness.net (96.66.219.157)
Insecure - not encrypted!
50-203-146-253-static.hfc.comcastbusiness.net (50.203.146.253)
Insecure - not encrypted!
75-151-207-101-Memphis.hfc.comcastbusiness.net (75.151.207.101)
Insecure - not encrypted!
50-253-49-189-static.hfc.comcastbusiness.net (50.253.49.189)
Insecure - not encrypted!
173-164-253-194-SFBA.hfc.comcastbusiness.net (173.164.253.194)
Insecure - not encrypted!
96-66-200-209-static.hfc.comcastbusiness.net (96.66.200.209)
Insecure - not encrypted!
unknown (96.70.52.227)
Insecure - not encrypted!
162-17-188-105-static.hfc.comcastbusiness.net (162.17.188.105)
Insecure - not encrypted!

Certificates

No Certificates found