[schassis]

When should I use DoH instead of DoT or vise versa?

[skull]

Both requests are encrypted.
Only difference is which port I turns over, DoH allows a DNS lookup to run on port 443, simulating a HTTPS request instead of a DNS request.

So use DoH when you wish for your DNS request to blend in with any other HTTPS requests.

[▄︻デ══━一一一一━]

When should I use DoH instead of DoT or vise versa?

Feature -- DoH (DNS over HTTPS) VS DoT (DNS over TLS)

Transport	HTTPS (TCP 443)	TLS (TCP 853)
Visibility to network	Blends into regular HTTPS (harder to distinguish)	Distinct traffic on port 853 (easier to monitor/control)
Blocking resistance	Higher in censoring/restrictive networks (looks like normal web)	Lower—can be blocked by filtering port 853
Deployment granularity	Per-app (e.g., browser) or system if supported	Typically system-/router-wide
Privacy	Good, but can be centralized by resolver; hidden in HTTPS	Good and more transparent to admins (less hidden layering)
Performance	Slightly higher overhead due to HTTP framing	Leaner (no HTTP layer)
Policy/control	Harder for enterprises to gate/inspect	Easier to integrate with network policies
Typical use case	Individual user privacy on untrusted networks or bypassing filtering	System-wide encrypted DNS in managed or home environments

Final Thoughts: Use DoT for clean, system-wide encrypted DNS when you control the network or need straightforward policy enforcement; use DoH to blend into HTTPS for censorship resistance or per-application privacy.