xbaydns provides a Web management interface for BIND 9. Its user-friendly Web interface is based on the Django framework. It has been tested on many OSes, including FreeBSD, Linux, and MacOS X Leopard. It provides an easy-to-use Web interface for DNS record management while implementing most of the advanced features provided by BIND.
dnstop is a libpcap application (ala tcpdump) that displays various tables of DNS traffic on your network. It currently displays tables of source IP addresses, destination IP addresses, query types, response codes, opcodes, top level domains, second level domains, third level domains, etc.
mydns_admin is a simple but functional Web interface for the MyDNS DNS server. It allows you to add and edit zones and resource records from a browser. Lightweight and simple, the interface has very few dependencies and consists of only two files - the CGI and an HTML template. The template allows complete customization of the interface without changing the CGI.
ZoneAdmin is a Web interface for the powerDNS name server using the MySQL backend. It allows you to manage existing zones and add, remove, and alter new ones, supports on-the-fly input validation, and allows comments per zone and per record. Furthermore, it keeps a detailed history of changes and allows you to temporary enable or disable zones without having to remove them completely. New zones can use templates that contain predefined records. It is designed to be used with one of Apache's authentication methods.