How to Use the Domain Expiration Wizard in Nagios XI

Nagios XI includes a Domain Expiration wizard that enables you to easily perform WHOIS lookups and quickly configure monitoring of domain expiration dates, days-until-expiry thresholds, and registrar/nameserver status.

You can also refer to this documentation for full details:

Here is a direct link to the PDF as well:

Monitoring Domain Expiration with Nagios XI