Google Public DNS, our familiar IP addresses 8.8.8.8 and 8.8.4.4, are now able to handle DNS-over-TLS queries. The Domain Name System (DNS) for those who don't know is like an online phone book for the conversion names (domains) to IP addresses.
Why DNS-over-TLS? DNS queries were vulnerable to sniffing and spoofing if someone managed to get in between your computer and the DNS server.
But using Transport Layer Security (TLS) can make the process somewhat safer by encrypting connections and, of course, queries.
"Starting today, users can secure queries between their devices and Google Public DNS with DNS-over-TLS, keeping privacy and their integrity", said Google without mentioning the obvious:
The company (known for data collection) of course knows which domain you visit, and of course at some point your query to the DNS server will have to be decrypted.
Users of the Android 9 version of Google have the ability to use DNS-over-TLS, as there is a Private DNS setting in Android network settings.
Let's mention that Google has come to add the DNS-over-TLS security feature, since the DNS server 1.1.1.1 of Cloudflare uses it since April last year.
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