Email domain

Send email from your own domain, so digests, alerts and invites come from your business instead of Nucleotto.

Add your domain

We’ll ask Resend for the DNS records, and show you exactly what to add.

The domain in your website or email address.

Send from

Keeps your everyday email’s reputation separate and leaves your existing DNS records alone.

.yourcompany.com

Emails come straight from your main domain.

Sending domain

Enter your domain above

How it works

  1. 1Choose a domainWe suggest a subdomain like float.yourcompany.com.
  2. 2Add the DNS recordsCopy three records into wherever you manage your domain.
  3. 3We verify itWe check automatically and update this page once it’s confirmed.

Why a subdomain?

Automated email builds its own sending reputation. Keeping it on a subdomain protects your main domain, and the records sit alongside the ones you already have.