Three Days in August: What a DDoS Attack Exposed in Our Network

Re:Three Days in August: What a DDoS Attack Exposed in Our N... by beecasthurlbow on Monday September 28, 2026 @10:43AM (#49878811)

> I don't understand how this helps. CNAMES have TTLs like A records and they eventually have to terminate at an A record somewhere so why pay for an extra hop?

I assume the customer controls the domain DNS records here rather than the hosting provider.

CNAME record: hosting provider can change underlying IP freely.

A record: hosting provider must get in touch with customer to change DNS.

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Re:Three Days in August: What a DDoS Attack Exposed in Our N... by cube00 on Monday September 28, 2026 @10:54AM (#49879005)

I probably incorrectly read

> we provide that customer’s connection to the internet

as providing the DNS infra for their customers.

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