AWS Security Blog

Tag: Amazon Route 53

Regional routing for AWS access portals: Implementing custom vanity domains for IAM Identity Center

AWS IAM Identity Center provides a web-based access portal that gives your workforce a single place to view their AWS accounts and applications. With the recent launch of IAM Identity Center multi-Region replication, customers can replicate their IAM Identity Center instance across multiple AWS Regions to improve resilience and reduce latency for a globally distributed […]

Protect against advanced DNS threats with Amazon Route 53 Resolver DNS Firewall

Every day, millions of applications seamlessly connect users to the digital services they need through DNS queries. These queries act as an interface to the internet’s address book, translating familiar domain names like amazon.com into the IP addresses that computers use to appropriately route traffic. The DNS landscape presents unique security challenges and opportunities in […]

AWS Logo

How AWS protects customers from DDoS events

At Amazon Web Services (AWS), security is our top priority. Security is deeply embedded into our culture, processes, and systems; it permeates everything we do. What does this mean for you? We believe customers can benefit from learning more about what AWS is doing to prevent and mitigate customer-impacting security events. Since late August 2023, […]

AWS Logo

Three ways to boost your email security and brand reputation with AWS

April 11, 2023: This post had been updated to provide clarifications: The recommendation to use SES or WorkMail as part of this solution is for receiving TLS reports sent via email from mail receiving organizations. It is unrelated to the BIMI and MTA-STS aspects or any core functionality of the solution.. If you own a […]

Figure 1: Architecture overview

How to automate updates for your domain list in Route 53 Resolver DNS Firewall

Note: This post includes links to third-party websites. AWS is not responsible for the content on those websites. Following the release of Amazon Route 53 Resolver DNS Firewall, Amazon Web Services (AWS) published several blog posts to help you protect your Amazon Virtual Private Cloud (Amazon VPC) DNS resolution, including How to Get Started with […]

Automatically block suspicious DNS activity with Amazon GuardDuty and Route 53 Resolver DNS Firewall

In this blog post, we’ll show you how to use Amazon Route 53 Resolver DNS Firewall to automatically respond to suspicious DNS queries that are detected by Amazon GuardDuty within your Amazon Web Services (AWS) environment. The Security Pillar of the AWS Well-Architected Framework includes incident response, stating that your organization should implement mechanisms to […]

Simplify DNS management in a multi-account environment with Route 53 Resolver

March 31, 2025: We provided a note and links to resources in the third use case on using Route 53 profiles as a best practice to enable DNS resolutions between VPCs in different AWS accounts. April 19, 2023: In the section “Create private hosted zones” we updated step 1 to fix syntax error. September 27, […]

Enhanced Domain Protections for Amazon CloudFront Requests

Over the coming weeks, we’ll be adding enhanced domain protections to Amazon CloudFront. The short version is this: the new measures are designed to ensure that requests handled by CloudFront are handled on behalf of legitimate domain owners. Using CloudFront to receive traffic for a domain you aren’t authorized to use is already a violation […]

How to centralize DNS management in a multi-account environment

Note from June 5, 2019: The approach and architecture in this post is recommended if you prefer more control over DNS servers or prefer to use AWS Managed Active Directory for DNS resolution, however there are some limitations to this approach and we added a “Limitations and additional considerations” section to this post to describe […]

Easier Certificate Validation Using DNS with AWS Certificate Manager

Secure Sockets Layer/Transport Layer Security (SSL/TLS) certificates are used to secure network communications and establish the identity of websites over the internet. Before issuing a certificate for your website, Amazon must validate that you control the domain name for your site. You can now use AWS Certificate Manager (ACM) Domain Name System (DNS) validation to […]