@Virgo When any of my clients behind the 605 get DHCP, the first DNS server they get is the ER605 itself, even when I have the scope set to use only external servers. Some sites resolve quickly,...

As reported by others, seeing extreme delays when using ER605 for DNS. even hardcoded the ER's DNS servers to 1.1.1.1 and 8.8.8.8, no change. If I hardcode my clients to use external DNS servers...