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CUSTOM DOMAIN
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From DNS to Live HTTPS, the Whole Path

A technical walkthrough of how a customer domain goes from a DNS record to live, certificate secured traffic.

America/Chicago
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If your platform lets customers bring their own domain, you already know the setup is where things get messy. DNS records land in the wrong place, ownership checks stall, and certificates expire at the worst possible moment. This session is a technical walkthrough for the engineers who own that path. We will follow a single customer domain from an empty DNS record all the way to live traffic served over HTTPS, and we will look at what has to be true at each step for it to hold up in production.

What you will learn

  • How DNS configuration, domain ownership verification, and TLS certificate issuance fit together into one connected flow rather than three separate chores.
  • Three ways a domain can be connected: one click provider authorization, a provider API token, and a guided manual flow that verifies automatically.
  • How a control plane and an edge split the work, with the edge terminating TLS and routing traffic while certificates are issued and renewed on demand.
  • What strict multi tenant isolation looks like in practice, so one customer domain never reaches into another.
  • Why a domain can go live in about 30 seconds, and what your users experience while that happens.

Who this is for

This walkthrough is built for platform and infrastructure engineers who carry the pager for custom domains. If you have wired up ACME clients, chased propagation delays, or built the onboarding screen where customers paste in DNS records, you are the audience we wrote this for.

What we will cover

  1. The full path of a single domain, from the first DNS record to live HTTPS, with each checkpoint called out.
  2. The three connection methods across 63 DNS and registrar providers, and when each one is the right fit for your users.
  3. The control plane and edge architecture, including how TLS termination and on demand certificate issuance and renewal work.
  4. Multi tenant isolation and the failure cases it is designed to contain.
  5. What it means to run this as a fully managed service, and where the boundary sits between your platform and ours.

This was a live 60 minute session with live questions at the end. Everyone who registered receives the recording, so you can revisit any step of the path at your own pace.