Are you still using your internet service provider’s DNS server? Unsure of why your choice of DNS server is important? Here’s why you might want to change your DNS server right away.
Change your DNS server for better privacy, faster browsing, protection from known malicious websites, and to circumvent DNS-level censorship.
What I found especially interesting, are the various additional links the article also provides.
See https://www.howtogeek.com/897514/why-you-should-change-your-dns-server-today/