Stop the CNAME chain struggle: Simplified management with Route 53 Resolver DNS Firewall Updated 2 May 2024: I removed the reference to Route53 Alias that was incorrectly referred as a chain Starting today, you can configure your DNS Firewall to automatically trust all domains in a resolution chain (such as aCNAMEor DNAMEchain). Let’s walk through this in nontechnical terms for those unfamiliar wi