List of fresh DNS resolvers updated daily
$ wget https://raw.githubusercontent.com/kh4sh3i/Fresh-Resolvers/master/resolvers.txt
$ subfinder -d example.com | shuffledns -d example.com -r resolvers.txt
$ massdns -r resolvers.txt domains_to_resolve.txt
DNS Validator is used to validate DNS resolvers from public-dns.info, which is pushed to this repository every day.
This list can be used with other tools that make use of resolves like shuffledns, massdns, zdns etc