Unbound is a validating, recursive, and caching DNS resolver.
A Rust based DNS client, server, and resolver
HaGeZi DNS: Free, Non-Commercial EU Public DNS Servers
DNS library in Go
Backbone of the deSEC Free Secure DNS Hosting Service
The NLnet Labs Name Server Daemon (NSD) is an authoritative, RFC compliant DNS nameserver.
Web UI and REST API for PowerDNS: zones, records, DNSSEC, users, with Terraform and Kubernetes integrations
The Zonemaster Project
a powerful DNS toolkit for python
dnsjava - an implementation of the DNS protocol in Java
A high-performance, recursive DNS resolver server with DNSSEC support, focused on preserving privacy.
A Docker image for a non-censoring, non-logging, DNSSEC-capable, DNSCrypt-enabled DNS resolver
DNS Propagation Checker β Check whether a DNS change has propagated by querying four independently operated public DNS resolvers β Google, Cloudflare, DNS.SB, and RethinkDNS β live and in parallel. Get a consensus score, per-resolver TTL and response time, DNSSEC status, and optional exact-value matching against the change you made. Free on Tool...
DNS Lookup β Enter a domain, subdomain, or hostname to retrieve A, AAAA, MX, TXT, SPF, DKIM, DMARC, NS, SOA, CNAME, PTR, SRV, CAA, DNSSEC, and more β queried live from public DNS-over-HTTPS resolvers. Get a DNS health score, provider detection, and export results in seconds. Free on ToolAdda.online.