Civil Consulting and Training 
Civil in Name, Civil in Service 

DNS

Application Directory Partitions (Windows)
Creating an Application Directory Partition (Windows)
DNSstuff
DynDNS.com - Free Domain Name, Managed DNS, Email Services
Internet Systems Consortium BIND
squishywishywoo complete dns traversal checking
Using a Hosts File To Make The Internet Not Suck (as much)

IPv6

Black Hat 2007 Vista users urged to beware of IPv6
IPv6 Forum Driving IPv6 Deployment
IPv6.com - The Source for IPv6 Information, Training, Consulting & Hardware
Transition to IPv6 - Industry Solutions - Cisco Systems

Subnetting

IP Addressing and Subnetting for New Users - Cisco Systems
IP subnetting made easy
IP Subnetting Tutorial
IPv6 Subnet Masking
Learn To Subnet  A Free, Lecture-Based Presentation on IP Addressing and Subnetting
SubnetOnline.com - IPv6 Subnet Calculator
A TCP-IP and Networking Protocols Education Series
Download details Server and Domain Isolation Demo
DynDNS Free Dynamic DNS (DDNS) Service
Hardening the TCP-IP stack to SYN attacks Symantec Connect
How to harden the TCP-IP stack against denial of service attacks in Windows Server 2003
IEEE-SA -IEEE Get 802 Program
Internetworking Technology Handbook - DocWiki
Iometer project
Teredo Overview
The Internet Protocol Journal - Cisco Systems
The OSI Model as explained by Laura A Robinson