While conducting threat research on phishing evasion techniques, Akamai came across threat actors using obfuscation and encryption, making the malicious page harder to detect. The criminals were using JavaScript to pull this off....
ISC BIND sends immediate and authoritative NXDOMAIN responses to recursive lookups of LAN addresses by default. This prevents recursive lookup servers from sending meaningless requests to other DNS servers on the Internet. This tutorial will cover how recursive reverse lookups of LAN addresses can be enabled in BIND for lab environments and other special cases.