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 via email.  Currently, all assignments flow through the single server listed below however, this may change as CyberHoot grows.  It is suggested for for email assignments you should create an allow list for the following specific mail relay.  


Phishing Test Mail Relays

If you are planning on sending Phishing Tests to your clients and prospects, you will need to enable all of CyberHoot’s Email Relays shown below:

DNS Names:

  • relay.admin-rnicrosoft.services
  • relay.lockout-appie.com
  • relay.admin-googie.support
  • relay.server33-arnazon.com
  • relay.johnshopkinshospitals.com
  • relay.sba-stimulus-loans.com
  • relay.linkedln-support.com
  • relay.netfiix-help.com
  • relay.docu-esign.com
  • relay.ch-account-2fa.com
  • relay.ch-contact-us.com
  • relay.ch-login-created.com
  • relay.ch-password-reset.com
  • relay.ch-security-alert.com
  • relay.irs-security.com
  • relay.visa-security.com
  • relay.zoom-account.com

IP Addresses:

  • 108.52.60.142
  • 108.52.60.135
  • 108.52.60.139
  • 108.52.60.140
  • 108.52.60.135
  • 108.52.60.139
  • 108.52.60.140
  • 108.52.60.132
  • 108.52.60.142
  • 108.52.60.135
  • 108.52.60.135
  • 108.52.60.139
  • 108.52.60.139
  • 108.52.60.140
  • 108.52.60.140
  • 108.52.60.142
  • 108.52.60.142

*Optionally, you can cover all of these domains and IP addresses if you allow our subnet:  108.52.60.128/28.

Some Services will ask for a Comma-Separated List of IPs:  Here’s our list in total:

108.52.60.132,108.52.60.133,108.52.60.134,108.52.60.135,108.52.60.136,108.52.60.137,108.52.60.138,108.52.60.139,108.52.60.140,108.52.60.141,108.52.60.142

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