Adguard + Unbound with DNNSEC,DoT - weird DNS resolve times

[TomekP]

I have this configuration, maybe good, maybe not :)
OPNsense with DHCP on LAN point DNS at Adguard (19.168.1.10)
Adguard block ads and use Unbound as upstream server (127.0.0.1:5555 - Unbound with DoT)
Unbound has 9 DoT servers
Adguard has DNS times at ~10ms
But Adguard->Unbound ~700ms
Is this normal? What I do wrong?