Great Links

BIND Logging – some basic recommendations

Microsoft to add DANE and DNSSEC support to Exchange Online servers

Maltronics Site

Maltronics Documentation

Turning off or disabling SELinux

A tcpdump Tutorial with Examples — 50 Ways to Isolate Traffic

Hacking Tricks

IBM’s Quad 9 Video

How To Run Multiple PHP Versions on One Server Using Apache and PHP-FPM on CentOS 7

Try Hack Me

DNS-SEC Debugger


DNSSEC, SPF, DKIM and DMARC explained

How to Check PHP Version