My top 10 blocked domain during the last year using a self-hosted dns resolver:
Domain Hits
lcprd1.samsungcloudsolution.net 58,815
incoming.telemetry.mozilla.org 48,964
logs.netflix.com 36,555
tvx.adgrx.com 25,656
telemetry.canva.com 10,774
www.googletagmanager.com 8,702
apm.qwant.com 7,069
mn.qwant.com 6,753
analytics.loft.rocks 6,242
customerevents.netflix.com 6,168
I managed to block the 12.63% of my queries to dodge telemetry, for a total of 393,372 queries blocked.