VinylDNS is a vendor agnostic front-end for enabling self-service DNS and streamlining DNS operations. It is designed to integrate with your existing DNS infrastructure, and provides extensibility to fit your installation. VinylDNS manages millions of DNS records supporting thousands of engineers in production at Comcast. The platform provides fine-grained access controls, auditing of changes, a self-service user interface, secure RESTful API, and integration with infrastructure automation tools like Ansible and Terraform.
dnscrypt-proxy 2 - A flexible DNS proxy, with support for encrypted DNS protocols. - jedisct1/dnscrypt-proxy
acme-dns - Limited DNS server with RESTful HTTP API to handle ACME DNS challenges easily and securely.
The nsnotifyd daemon monitors a set of DNS zones and runs a command when any of them change. It listens for DNS NOTIFY messages so it can respond to changes promptly. It also uses each zone's SOA refresh and retry parameters to poll for updates if nsnotifyd does not receive NOTIFY messages more frequently.
Quad9 is a free security solution that uses DNS to protect your system against the most common cyber threats. It improves
your system's performance, plus, it preserves and protects your privacy. It's like an immunization for your computer.
DNSSEC test tool that provides advanced DNSSEC debugging.
PoisonTap - siphons cookies, exposes internal router & installs web backdoor on locked computers
DNS service discovery for the cloud, and (much) more!
ddnsadmin - Web interface for DNS zone management using TSIG keys
The Knot DNS Resolver is a caching full resolver implementation, including both a resolver library and a daemon.
Extensive web interface to dig