DNS Security

Articles on DNS Security by Teri Radichel

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DNS and domain names are such a critical part of security that you may want to take a few additional steps to better protect your domains, DNS configuration, and networking related to domain name resolution. This is not an exhaustive list but it’s a few of the articles I’ve written about domain name registrations, DNS, and DNS security.

If you don’t read any other post below read this one:

Domain Name Registration Security

But this one is also really good. 😊

Easy DNS Change To Prevent Attacks

Does Your VPN Have a DNS Leak?

Certificate Transparency Logs —What you need to know

Google Chrome DNS Security Bypass

QUIC and DNS over HTTPS

Setting up a User and Role for Domain Name Administration

DNS and NTP on AWS

Redirect IoT Devices to Preferred DNS

Governance for DNS on AWS

DNSSEC in AWS Route 53 and Google Domains

Configure DNSSEC Manually in AWS Route 53

SPF Records for Email

DKIM for Email Security

DMARC for Email Security

Testing DNS records for errors

Subdomains — uses and attacks

Deploying an AWS Route 53 DNS Hosted Zone

Check DNS Requests — if you’re not using DNS over HTTPS

Firewall Rules for UDM Pro Setup

Domain Names Used by Devices

Why is There a DNS Server Running On Ubuntu On AWS By Default?

A method for protecting DNS changes on AWS.

Function to Move AWS Accounts Between Organizational Units

Automated update of Name Server (NS) records for a domain registered via AWS Route 53 domains.

Update NS Records for a Domain Name on AWS

Automated creation of NS record on a primary domain hosted zone or a subdomain in a separate account using the AWS CLI. I explain things like CNAME, URL, A, AAAA, and NS records for a DNS Zone in this post.

Updating the NS Records for a Subdomain on AWS with the AWS CLI

You should validate new TLS certificates with DNS, not email.

Validate A TLS Certificate Deployed With CloudFormation

Delete a DNS Record in a Hosted Zone with the AWS CLI

How to Fix TLS Certificate Deployment Via CloudFormation

Follow for updates.

Teri Radichel | © 2nd Sight Lab 2023

About Teri Radichel:
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⭐️ Author: Cybersecurity Books
⭐️ Presentations: Presentations by Teri Radichel
⭐️ Recognition: SANS Award, AWS Security Hero, IANS Faculty
⭐️ Certifications: SANS ~ GSE 240
⭐️ Education: BA Business, Master of Software Engineering, Master of Infosec
⭐️ Company: Penetration Tests, Assessments, Phone Consulting ~ 2nd Sight Lab

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