What are the potential drawbacks or limitations of using DoH with Cloudflare, and are there any alternatives?

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Grade: Education Subject: Support
What are the potential drawbacks or limitations of using DoH with Cloudflare, and are there any alternatives?
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Potential drawbacks include a slight performance overhead due to the encryption process (though often negligible). Centralization with a single provider like Cloudflare raises some privacy concerns for some users. Alternatives include using other DoH providers (e.g., Google, Quad9), running your own recursive DNS server, or using DNS-over-TLS (DoT) which offers similar security benefits.