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submitted 4 months ago by hackysphere@lemmy.ca to c/privacy@lemmy.ml

I am wondering if an ISP or network admin on my network would be able to change where a DNS server is located at (ex: if a DNS server is located at 132.192.175.210, the ISP/netadmin can redirect it to their own server at 11.29.102.201 to change where the DNS records point to). Does DNSSEC and DoH/DoT combat this, and how? Why is it safe to use a domain for DoH/DoT if it requires going through insecure DNS to get to a secure DNS?

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[-] sloppy_diffuser@sh.itjust.works 7 points 4 months ago

They can modify the DNS packets still. They aren't encrypted or signed so the authenticity of a response packet cannot be verified. Parental controls from ISP relay on being able to snoop and modify your DNS (and SNI from TLS ClientHello packets).

this post was submitted on 13 Jul 2024
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