# PacNOG 28 - DNS Fundamentals and Introduction to DNS Security
* **Date:** July 2 & 5, 11:00-13:00 and 14:00-16:00 each day (FJT)
* **Location:** Online
* **Host:** [PacNOG](https://www.pacnog.org/pacnog28/)
## Contents
* [Detailed Agenda](agenda.html)
## Topics covered
- DNS overview, refresher
- General architecture (hierarchy, decentralization)
- Resolution model
- Caching
- Security of the DNS (or lack of)
- Risks associated with insecure DNS
- Mitigations of DNS security problems
- DNSSEC
- What's involved (signing and validation)
- Enabling validation (verification of DNS signatures)
- Signing zones - what needs to be in place
- Deployment considerations
- HW/SW recommendations, including security aspects (HSM)
- Example scenario
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