it has to lookup the https record to see ech support/etc
it has to lookup the https record to see ech support/etc
chaik@ash:~$ dig inicio.dh-sw.net https +short
1 . alpn="h3,h2" ipv4hint=104.21.16.1,104.21.32.1,104.21.48.1,104.21.64.1,104.21.80.1,104.21.96.1,104.21.112.1 ech=AEX+DQBBOwAgACBbqnLeAhRhhU0+EDxnIOla6O7FndMj8smocxf663njTwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1001,2606:4700:3030::6815:2001,2606:4700:3030::6815:3001,2606:4700:3030::6815:4001,2606:4700:3030::6815:5001,2606:4700:3030::6815:6001,2606:4700:3030::6815:7001
Firefox retrieves this data simultaneously with performing a DNS lookup when connecting to a website, ensuring there's no extra delay during the connection.wonder what happens if the https record lookup takes longer then the A/AAAA, if it just doesn't use it or something, they specifically say "no extra delay"
network.dns.force_waiting_https_rr Whether to wait for the HTTPS RR lookup to complete before starting a connection. Boolean True Truehttps://wiki.mozilla.org/Security/Encrypted_Client_Hello