PRIVATE DNS

[SamSungtwo]

I have my private DNS value configured for 1dot1dot1dot1.cloudflare-dns.com and the Samsung browser does not appear to acknowledge the use of DNS over TLS when tested using the cloudflare site https://1.1.1.1/help.

Does Samsung browser acknowledge the configuration of DNS over TLS?

[CHMultimedia]

For me, DoT works but not DoH. Might also depend on your ISP. Using S Internet as well

Also good choice to use this! Increases your privacy sharply.

[SamSungtwo]

DOT (DNS over TLS) does not work only with Samsung browser. The ISP does not matter as the the phone points directly to DOT or DOH provider.

[CHMultimedia]

Well you are right that this issue shouldn't be caused by your ISP. But you are incorrect that S Internet does not work with DoT,as evidenced by this screenshot

[SamSungtwo]

I did not comment on S internet. As I have no ideas what it is.
This is the result with private DNS configured with cloudflare.

[CHMultimedia]

S Internet is Samsung Internet... It's an abbreviation instead of always saying Samsung this, Samsung that... especially since all those apps used to be just called S this, S That (S Note, S Health...)

[SamSungtwo]

OK. I am using DNS 1.1.1.1 and I am not aware of any other options to correct the issue.

[CHMultimedia]

Check if you have any firewall enabled that blocks ports 443 or 853

[SamSungtwo]

it appears there is a problem with Dot on certain networks. can you pay your screen capture including your AS number and name?

[SamSungtwo]

the port 443 and 853 are open to one.one.one.one and 1dot1dot1dot1.cloudflare-dns.com