I still like the "FQDN support" feature https://documentation.meraki.com/MX/Firewall_and_Traffic_Shaping/MX_Firewall_Settings#FQDN_Support -- even if it raises some questions (see https://community.meraki.com/t5/Security-SD-WAN/FQDN-Support-How-does-the-wildcard-quot-quot-asteris... and https://community.meraki.com/t5/Security-SD-WAN/Restricting-Cellular-data-during-failover-to-busines...).
But the documentation is really marginal on it: It doesn't tell you
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>how that cache contents can be displayed in order to debug "strange hits"
You cna't display the DNS cache.
From my experience, the results are cached based on the TTL returned from the DNS server which says how long they are allowed to be cached for.
For example, on many Amazon AWS S3 domains it only caches the results for 60s (matching the TTL). I have observed this myself.
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