@Billy254 DNS layer protection or security is a way of protecting internate's infrastructure by blocking malicious and
unwanted domains, IP addresses and cloud Application before a connection is ever established and cisco uses a cloud solution called cisco umbrella which does this function
kindly you really need to be familiar with umbrella and even have your umbrella trials and then you can learn the integration with meraki
https://umbrella.cisco.com/products/dns-layer-network-security
the below links will guide you on how to do the integration
Manually Integrating Cisco Umbrella with Meraki Networks
https://www.youtube.com/watch?v=608dIhgdc2M&feature=youtu.be
please note there free trials for this during this time so you can take advantage of it
https://umbrella.cisco.com/why-umbrella/meraki-integration