DOH address

When i use Firefox it establishes a connection using IP 104.16.248.249 when DOH is activated. Why does it not use 1.1.1.1 or 1.0.0.1 ?

Because I believe it uses cloudflare-dns.com. I imagine it’s a way to reduce issues as 1.1.1.1 in particular is often misused by various vendors and if it’s automatically used it would be a terrible user experience…

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Yup! @matteo is correct:

dig +short mozilla.cloudflare-dns.com
104.16.249.249
104.16.248.249
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