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 Mon, 25 May 2020 10:35:27 +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
165.160.13.20
Results incomplete
- not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s
comcastbusiness.net
165.160.15.20
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
50-197-210-138-static.hfc.comcastbusiness.net (50.197.210.138)
Insecure - not encrypted!
50-242-100-89-static.hfc.comcastbusiness.net (50.242.100.89)
Insecure - not encrypted!
50-250-56-129-static.hfc.comcastbusiness.net (50.250.56.129)
Insecure - not encrypted!
50-253-49-189-static.hfc.comcastbusiness.net (50.253.49.189)
Insecure - not encrypted!
50-196-148-195-static.hfc.comcastbusiness.net (50.196.148.195)
Insecure - not encrypted!
50-205-151-218-static.hfc.comcastbusiness.net (50.205.151.218)
Insecure - not encrypted!
96-87-188-193-static.hfc.comcastbusiness.net (96.87.188.193)
Insecure - not encrypted!
50-250-75-153-static.hfc.comcastbusiness.net (50.250.75.153)
Insecure - not encrypted!
50-247-72-33-static.hfc.comcastbusiness.net (50.247.72.33)
Insecure - not encrypted!
unknown (50.233.42.98)
Insecure - not encrypted!
unknown (96.77.43.233)
Insecure - not encrypted!
unknown (96.69.174.252)
Insecure - not encrypted!
unknown (50.235.92.14)
Insecure - not encrypted!
unknown (96.70.52.227)
Insecure - not encrypted!
96-84-128-196-static.hfc.comcastbusiness.net (96.84.128.196)
Insecure - not encrypted!
50-196-126-233-static.hfc.comcastbusiness.net (50.196.126.233)
Insecure - not encrypted!
50-197-139-162-static.hfc.comcastbusiness.net (50.197.139.162)
Insecure - not encrypted!
50-244-9-1-static.hfc.comcastbusiness.net (50.244.9.1)
Insecure - not encrypted!
96-87-184-101-static.hfc.comcastbusiness.net (96.87.184.101)
Insecure - not encrypted!
96-82-74-129-static.hfc.comcastbusiness.net (96.82.74.129)
Insecure - not encrypted!
unknown (50.199.46.20)
Insecure - not encrypted!
unknown (50.197.162.169)
Insecure - not encrypted!
unknown (96.82.74.134)
Insecure - not encrypted!
unknown (96.69.88.83)
Insecure - not encrypted!
unknown (96.77.77.53)
Insecure - not encrypted!
50-207-130-198-static.hfc.comcastbusiness.net (50.207.130.198)
Insecure - not encrypted!
74-95-1-114-SFBA.hfc.comcastbusiness.net (74.95.1.114)
Insecure - not encrypted!
64-139-79-35-richmond.hfc.comcastbusiness.net (64.139.79.35)
Insecure - not encrypted!
50-204-122-230-static.hfc.comcastbusiness.net (50.204.122.230)
Insecure - not encrypted!
50-192-49-5-static.hfc.comcastbusiness.net (50.192.49.5)
Insecure - not encrypted!
50-197-38-230-static.hfc.comcastbusiness.net (50.197.38.230)
Insecure - not encrypted!
50-253-211-61-static.hfc.comcastbusiness.net (50.253.211.61)
Insecure - not encrypted!
198-0-198-132-static.hfc.comcastbusiness.net (198.0.198.132)
Insecure - not encrypted!
50-192-49-195-static.hfc.comcastbusiness.net (50.192.49.195)
Insecure - not encrypted!
50-240-188-72-static.hfc.comcastbusiness.net (50.240.188.72)
Insecure - not encrypted!
50-192-195-69-static.hfc.comcastbusiness.net (50.192.195.69)
Insecure - not encrypted!
50-195-7-180-static.hfc.comcastbusiness.net (50.195.7.180)
Insecure - not encrypted!
50-247-207-5-static.hfc.comcastbusiness.net (50.247.207.5)
Insecure - not encrypted!
96-87-16-153-static.hfc.comcastbusiness.net (96.87.16.153)
Insecure - not encrypted!
50-245-153-217-static.hfc.comcastbusiness.net (50.245.153.217)
Insecure - not encrypted!

Certificates

No Certificates found