CyberHoot’s Email-Relay IP Addresses, Domains, and White-list Articles:

This article is simply a reference for the IP Addresses and Domain names of CyberHoot.  If you’re seeking how to Whitelist by IP address or Domain name please see the related HowTo articles.

CyberHoot Training Assignments Relay:

CyberHoot assignments are delivered through a single mail relay.  This is all you need to allow in O365 (white-list) if you are only sending training assignments, policies, or surveys to targeted email accounts.

Phishing Test Mail Relays

If you are planning on sending Phishing Tests to your clients and prospects, you will need to have them white-list all four of the Email Relays shown below either by Domain Name OR IP Address (don’t do both).

DNS Name: 


TIP: Copy and paste the above domains as they have many look-alike letter combinations such as an ‘i’ for an ‘L’ and an ‘r+n’ for an ‘m’.

IP Address: 


While List the Entire Network for CyberHoot:

Optionally, you can white-list the entire network in one fell swoop using this network address:

Related White-Listing Articles:

How to White-List in your own Personal Gmail Account

How to White-List in your GSuite Company Domain Account

How to White-List in Microsoft’s O365 Environment

How to White-List in Mimecast

How to White-List in Barracuda SPAM Gateway and Cloud Solution

Share this on your social networks. Help Friends, Family, and Colleagues become more aware and secure.