If your Pi-Hole blocks or rate-limits your device while connecting to Damus (because of many simultaneous DNS requests in a short burst) change the rate limit in Pi-Hole > DNS settings from 1000 per 60 sec to a higher value. Also, create a config with higher DNSMasq concurrent forwards by following this guide https://discourse.pi-hole.net/t/resolved-maximum-number-of-concurrent-dns-queries-reached/60970/2