thank you for the post!
If you mean newly registered domains (NRD) / DGA, then PAN-DB has a URL filtering category called: "newly-registered-domain". You can set the action to block to block these URLs.
If you have DNS Security subscription, then you can block these domains as well: https://live.paloaltonetworks.com/t5/blogs/new-strategically-aged-domain-detection-for-dns-security/...
If you are referring to different URL categories or different case, could you please share more details about issue you are facing? Ideally, if you can share a few samples of these URLs.
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