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Route53 Articles

50 articles

Route 53 Active-Active Multi-Region: DNS Load Balancing

Route 53 Active-Active Multi-Region DNS load balancing is less about distributing traffic evenly and more about providing uninterrupted service during a.

2 min read

Route 53 Active-Passive Failover: DNS-Based HA Setup

Route 53's active-passive failover is less about making your application highly available and more about making your DNS record highly available to poin.

3 min read

Fix Route 53 Health Check Alarm Failure

The Route 53 health check alarm failure means the health check is no longer reporting "Healthy" to Route 53, causing it to stop sending traffic to the a.

5 min read

Route 53 Alias vs CNAME: When to Use Each

An Alias record in Route 53 is fundamentally a DNS lookup optimization that lets you point a domain name directly to an AWS resource, bypassing a tradit.

3 min read

Route 53 Custom Domain for API Gateway: Setup Guide

Route 53 custom domains for API Gateway are surprisingly not about getting your API to a friendlier URL, but about enabling TLS termination at the edge.

2 min read

Route 53 Application Recovery Controller: ARC Setup

The most surprising thing about Route 53 Application Recovery Controller ARC is that it doesn't actually do the recovery itself; it's the orchestrator t.

3 min read

Automate Route 53 DNS Management with Lambda and APIs

The most surprising thing about Route 53 DNS is that it's fundamentally a distributed database, and you can interact with it programmatically just like .

3 min read

Backup Route 53 Hosted Zone Records Programmatically

Creating a programmatic backup of your Route 53 hosted zone records involves understanding how AWS services interact and leveraging the right tools to e.

2 min read

Route 53 Blue-Green DNS Cutover: Weighted Swap

The most surprising thing about Route 53 blue-green DNS cutovers using weighted routing is that the "cutover" often happens gradually, not all at once, .

3 min read

Route 53 Custom Domain for CloudFront: Alias Record Setup

A CloudFront distribution doesn't inherently understand your domain name; it only knows its own unique domain, like d123abc456xyz.

3 min read

Route 53 Cross-Account Zone Delegation: Share DNS

Delegating a Route 53 hosted zone across AWS accounts isn't about granting access to the zone itself, but rather about enabling a different account to m.

3 min read

Route 53 DNS Failover: Automate Region Switching

Route 53's failover routing isn't just about switching to a backup; it's a sophisticated system that actively monitors your primary endpoints and orches.

3 min read

Route 53 DNS Record Types: A, AAAA, CNAME, MX Explained

Route 53 DNS Record Types: A, AAAA, CNAME, MX Explained — practical guide covering route53 setup, configuration, and troubleshooting with real-world exa...

2 min read

Enable DNSSEC on Route 53: Sign Your Hosted Zone

You can sign your Route 53 hosted zone with DNSSEC, but it’s not a simple on/off switch; it’s a process that involves key generation, delegation, and ca.

2 min read

Route 53 Domain Transfer: Move Your Domain In or Out

Transferring your domain name between registrars is a surprisingly manual process, often involving more clicks and confirmations than you'd expect for s.

3 min read

Transfer Domains to Route 53: Step-by-Step

Transferring a domain to AWS Route 53 is like moving your house keys from one keyring to another; it seems simple but involves a few crucial steps to en.

3 min read

Route 53 External DNS for EKS: Automate DNS Records

The most surprising thing about Route 53 external DNS for EKS is that it's not just about making your services resolvable; it's about making your Kubern.

3 min read

Route 53 Failover Routing: Primary and Secondary Records

Route 53 failover routing is designed to automatically switch traffic from a primary resource to a secondary resource when the primary becomes unavailab.

2 min read

Route 53 Geolocation Routing: Serve Traffic by Country

Route 53 Geolocation Routing: Serve Traffic by Country — practical guide covering route53 setup, configuration, and troubleshooting with real-world exam...

2 min read

Route 53 Geoproximity Routing: Shift Traffic with Bias

Route 53 Geoproximity Routing: Shift Traffic with Bias. Route 53's Geoproximity routing isn't about where your users are, but where you want to send them.

3 min read

Route 53 Health Checks: Configure and Alert on Failures

Route 53 health checks are your eyes and ears for the availability of your application endpoints, letting you know before your users do when something b.

2 min read

Route 53 Hosted Zone Limits: Quotas and Workarounds

A Route 53 hosted zone isn't just a list of DNS records; it's a distributed system with its own internal resource limits that can surprisingly impact yo.

4 min read

Route 53 IP-Based Routing: Direct CIDRs to Endpoints

Route 53 IP-Based Routing: Direct CIDRs to Endpoints — practical guide covering route53 setup, configuration, and troubleshooting with real-world examples.

3 min read

Route 53 IPv6 AAAA Records: Dual-Stack DNS Setup

Route 53's support for IPv6 AAAA records is a surprisingly straightforward way to get your services ready for the next generation of the internet.

2 min read

Route 53 Latency Routing: Serve from Lowest Latency Region

Latency routing in Route 53 is about making your users feel like your site is lightning fast, even if your servers are continents away.

2 min read

Route 53 Query Logging to CloudWatch: Enable and Analyze

Route 53 query logging is a powerful tool, but most people completely miss its primary value: it's not about what is being queried, but how many and fro.

4 min read

Monitor Route 53 DNS Availability: Metrics and Alarms

Route 53 can be slow to update health checks, making it seem like your service is down when it's actually just a propagation delay.

3 min read

Route 53 Multivalue Answer Routing: Simple DNS Load Balancing

Route 53's Multivalue Answer routing isn't just a way to spread traffic; it's a clever trick that leverages the DNS protocol's inherent "return as many .

2 min read

Route 53 NS Record Propagation: Check and Troubleshoot

Route 53 NS record propagation is often treated as a black box, but it's actually a predictable, layered process involving DNS resolvers and caching at .

3 min read

Route 53 Private Hosted Zone VPC Peering Resolution

Route 53 Private Hosted Zones and VPC Peering can be confusing because their resolution mechanisms aren't immediately obvious when you first encounter t.

3 min read

Route 53 Private Hosted Zone: Internal DNS for VPCs

A Route 53 Private Hosted Zone isn't just a DNS zone for your VPC; it's a fundamentally different kind of DNS resolution that bypasses public internet l.

2 min read

Analyze Route 53 Queries with Athena: Setup and Queries

Route 53 queries aren't just DNS lookups; they're a rich source of data about your application's availability and performance from the perspective of yo.

3 min read

Route 53 Resolver DNS Firewall: Block Malicious Domains

Route 53 Resolver DNS Firewall: Block Malicious Domains — practical guide covering route53 setup, configuration, and troubleshooting with real-world exa...

2 min read

Route 53 Resolver Endpoints: Hybrid DNS Setup

A Route 53 Resolver endpoint isn't just a bridge; it's a stateful firewall and a dynamic redirector that actively manages DNS query direction based on i.

3 min read

Route 53 Resolver Inbound and Outbound Rules Explained

Route 53 Resolver rules don't just forward DNS queries; they actively route them based on domain name, acting like a smart DNS traffic cop for your hybr.

2 min read

Route 53 Reusable Delegation Sets: Consistent NS Records

Route 53 Reusable Delegation Sets: Consistent NS Records — practical guide covering route53 setup, configuration, and troubleshooting with real-world ex...

3 min read

Route 53 Routing Policies: Compare All Six Types

Route 53's routing policies aren't just about directing traffic; they're about orchestrating distributed systems by making intelligent, context-aware de.

3 min read

Route 53 SPF, DKIM, DMARC Records: Email Auth Setup

Setting up SPF, DKIM, and DMARC records in Route 53 is crucial for email deliverability, but the real magic is that they don't guarantee delivery – they.

3 min read

Route 53 Split-Horizon DNS: Different Answers Inside and Out

Route 53 Split-Horizon DNS gives different answers to the same DNS query depending on where the query originates, but it’s not magic, it’s just a clever.

2 min read

Route 53 DNS Validation for ACM SSL Certificates

Route 53 DNS validation for ACM certificates is surprisingly the bottleneck for most certificate provisioning, not the certificate issuance itself.

2 min read

Prevent Route 53 Subdomain Takeover Attacks

The most surprising thing about Route 53 subdomain takeovers is how often they're caused by a service you thought you'd deleted.

5 min read

Manage Route 53 with Terraform: Module and Examples

Terraform's ability to manage AWS Route 53 is a game-changer for infrastructure as code, but it's not just about creating DNS records; it's about orches.

3 min read

Test Route 53 DNS Resolution with CLI Tools

The most surprising thing about DNS resolution is that your computer often doesn't actually ask the authoritative DNS server for a record; it asks a rec.

3 min read

Route 53 Traffic Flow: Visual Policy Builder Setup

The most surprising thing about Route 53 Traffic Flow's Visual Policy Builder is that it's not really about building policies in the traditional sense, .

2 min read

Route 53 Traffic Policy Versions: Update Without Downtime

Route 53 Traffic Policies are a powerful tool for managing traffic routing, but understanding how to update them without introducing downtime is key to .

2 min read

Route 53 TTL Optimization: Balance Propagation and Cache

Route 53's TTL values are a delicate balancing act between how quickly DNS changes propagate across the internet and how much DNS traffic your applicati.

2 min read

Route 53 VPC Association Cross-Account: Share Private DNS

When you associate a Route 53 private hosted zone with a VPC in a different AWS account, the system is designed to trust the VPC owner to manage DNS res.

3 min read

Route 53 Weighted Routing: A/B Test with DNS

Route 53 weighted routing lets you send a specified percentage of traffic to different resources, making it a powerful tool for A/B testing live.

2 min read

Route 53 Wildcard Records: Route All Subdomains

A Route 53 wildcard record doesn't actually match all subdomains, it only matches subdomains that don't have an explicit record.

3 min read

Route 53 Zone Delegation: Delegate Subdomains to Other Zones

Delegating a subdomain to another Route 53 hosted zone is how you give ownership of a part of your DNS namespace to a different team or service, allowin.

3 min read
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