Looks like they just threw in a few public TURN + STUN defaults. May or may not work depending on your region/network. They don't work for me. You can input custom TURN, but right now every nostr:nprofile1qqs24yz8xftq8kkdf7q5yzf4v7tn2ek78v0zp2y427mj3sa7f34ggjcpzamhxue69uhhv6t5daezumn0wd68yvfwvdhk6tc...