ISC Webinars:
https://www.isc.org/mission/webinars
ISC Webinar on RPZ:
https://www.isc.org/wp-content/uploads/2017/12/RPZ-webinar7.ppt.pdf
Security Zones – Rackspace Case Study:
http://www.securityzones.net/images/downloads/Rackspace-RPZ-Case-Study.pdf
Free Trial
http://www.securityzones.net/free-trial.html
Installation Guide for BIND with RPZ with links to example files:
http://www.securityzones.net/images/downloads/BIND_RPZ_Installation_Guide.pdf
ISC KB articles on RPZ:
https://kb.isc.org/article/AA-00525/110/Building-DNS-Firewalls-with-Response-Policy-Zones-RPZ.html
MX Tools – Spamhaus RPZ Service:
https://portal.spamhaustech.com/ma/manual/rpz/
RPZ web site with data feed providers list:
https://dnsrpz.info