Not work ... (same error ....). Ping result:

ping api.radiotoolbox.com
Pinging api.radiotoolbox.com [2606:4700:3036::ac43:960f] with 32 bytes of data:
Reply from 2606:4700:3036::ac43:960f: time=3ms
Reply from 2606:4700:3036::ac43:960f: time=3ms
Reply from 2606:4700:3036::ac43:960f: time=3ms
Reply ...