I host my own DNS service with AdguardHome. But there are some public DNS providers with ad-blocking filters here. Some like NextDNS will allow you to create an account and further configure your blocklists.
Known DNS Providers | AdGuard DNS Knowledge Base
Here we suggest a list of trusted DNS providers. To use them, first install AdGuard Ad Blocker or AdGuard VPN on your device. Then, on the same device, click the link to a provider in this article