Cloud Intermediate
AWS Route 53 — DNS and Traffic Management¶
AWSRoute 53DNSTraffic Management 5 min read
Route 53 routing policies, health checks, DNS failover and DNSSEC.
Routing Policies¶
- Simple — round-robin
- Weighted — distribution by weight (canary)
- Latency-based — nearest region
- Failover — active-passive + health check
- Geolocation — by user location
Health Checks¶
resource "aws_route53_health_check" "api" {
fqdn = "api.example.com"
port = 443
type = "HTTPS"
resource_path = "/health"
failure_threshold = 3
request_interval = 30
}
DNSSEC¶
Route 53 supports DNSSEC signing — protection against DNS spoofing with a KMS key.
Summary¶
Route 53 = global traffic management. Health checks + failover routing = high availability.
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