The purpose of this repository is to collaborate and exchange data between the Swiss NREN intitutions. DNSfirewall is a project, initiated by SWITCH, with the primary goal to protect the institutions against malicious domains.
The technique behind DNSfirewall is DNS RPZ which was developed by ISC.
General information about DNS RPZ can be found at
SWITCH-CERT has also published a blog post at
http://securityblog.switch.ch/2015/05/07/protect-your-network-with-dns-firewall/