Enable dangling CNAME detection

Complete this procedure to enable dangling CNAME detection.

Before you begin:

Make sure you apply general settings. For instructions, see Apply general settings.

To enable dangling CNAME detection:

1. From the Control Center menu, click Security > Security analytics > Infrastructure Security Analytics. The dashboard for Infrastructure Security Analytics appears.
2. Go to the zone where you want to enable dangling CNAME detection. If you need to filter the list of zones, see Filter list of zones.
3. In the Actions menu, select Zone Settings.
4. Click the Dangling CNAMEs tab, and enable Dangling CNAME Detection.
5. Set an expiration date for this setting. Click the date and select an expiration date from the calendar. Make sure you also set a time of day and a time zone.
   You can set a date up to one year in the future. If you also enabled NXDOMAIN spike detection or DNS hijacking detection, this expiration date also applies to those settings.
6. Click Apply.
7. Click Confirm.