Use curl to send a DoH request

[Heshmatkhah]

Hi
I need to send DoH requests in a script on an embedded device that I can't install any package or change DNS configuration,

According to Cloudflare I can use the following command to send a DoH request:

curl --header "accept: application/dns-json" "https://cloudflare-dns.com/dns-query?name=example.com&type=AAAA" | jq

but the same command doesn't work for AdGuard Home:

curl -k --header "accept: application/dns-json" "https://dns.myhome.com/dns-query?name=example.com&type=AAAA"

> Bad Request

This is while the DoH is working correctly and the curl can resolve names using it:

curl --doh-url "https://dns.mazhome.ir/dns-query" https://example.com

After above command this added to my logs (-> AdGuard Home is up and working!):

So, how to use curl to get JSON DoH response from AdGuard Home?

[schzhn]

curl -v example.com --doh-url https://127.0.0.1/dns-query &> /dev/stdout | grep "* DoH"

dig +https @127.0.0.1 example.com

[Heshmatkhah]

Hi
Thank you for your response
I don't have dig on that platform, and i can't install it
Is there any other way than using grep on curl logs?
does the server support json based DoH?

[schzhn]

At the current moment, no
AdguardTeam/dnsproxy#422