Resources

Email - AntiSpam filtering

Spamhaus DNSBL – IP, Domain, Datafeeds
Spamhaus DNSBL Datasheet – Zen, DBL ZRD data
Email Security Solutions – the Spamhaus Approach

DNS Firewall / DNS RPZ

What is DNS Firewall? A beginner’s guide
DNS Firewall Factsheet
DNS Firewall Rackspace
DNS Firewall Healthcare

pDNS - Passive DNS

What is Passive DNS? A beginner’s guide
Passive DNS Factsheet

Threat Intelligence

BGP Factsheet
BGP Case Study Goldnet