Works for me.
Server: 8.8.8.8
Address: 8.8.8.8#53
** server can't find status.discord.com: SERVFAIL
So it's either not just cloudflare, or all those sites use cloudflare to host their DNS. $ dig +short discord.com ns
sima.ns.cloudflare.com.
gabe.ns.cloudflare.com.