1. Open 2 – Validate Domain. You will see a list of DNS records, each with a type (e.g. CNAME or TXT), a Host and a value, and copy buttons next to each. A red cross means the record is not yet found; a green check means it is valid.
2. Log in to wherever your domain's DNS is managed (your registrar or hosting provider) and add each record exactly as shown.
3. Back in Sprwt press Validate. If a record is wrong the page lists the provider's reason for each failed record; fix it and validate again (DNS changes can take time to propagate).
4. When the domain is valid you see All done, please complete the next step! – Sprwt links the domain to your sending account and prepares link branding.
5. Open 3 – Validate Link, add the extra records shown the same way, and press Validate. When it succeeds you see All done, you can start making campaigns!

Step 2 shows Please finish the step 1 first! and step 3 shows Please finish the step 1/2 first! until the earlier steps are done. The Update Records Automatically button and the separate Sender step exist in the code but are hidden in the current version.