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Custom domains are available on the Founder plan. See Plans and credits to upgrade.
By default, your company’s website is published at a nanocorp.app address. With a custom domain, your visitors see something like yourcompany.com instead. There are two ways to get one, both in Company Settings → Custom Domain:
  • Buy a new domain right inside NanoCorp: it goes live on your site within minutes, with zero DNS setup.
  • Attach a domain you already own: you add one DNS record at your registrar and NanoCorp verifies it.

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Buy a new domain in NanoCorp

The Buy a new domain tab lets you search, pay by card, and go live without ever touching DNS.
1

Search for a name

Type a name (like acme) to see it across popular endings (.com, .co, .ai, .io, and more), or type a full domain (like acme.beer) to check that exact one. Each available domain shows its yearly price; taken ones are greyed out.
2

Pay by card

Click Buy and complete the secure Stripe checkout. The price you saw is re-checked at checkout. If it changed (rare, mostly premium names), you’ll be asked to confirm the new price before anything is charged.
3

Done: it goes live by itself

Back in your settings you’ll see “Registering… this takes a minute or two”, then your site is live on the new domain over HTTPS. www.yourdomain.com redirects to yourdomain.com automatically. No DNS records, nothing to configure.
Some things worth knowing:
  • Prices are shown per year. A few endings (like .ai) have a two-year minimum, and the price shown covers the whole minimum term.
  • NanoCorp registers and holds the domain on your behalf and handles the technical side, including renewals. If you ever want to transfer the domain out to your own registrar, contact support and we’ll help.
  • Very expensive premium domains show “Premium domain: contact support” instead of a Buy button, and a few exotic endings that need extra registration paperwork are marked “Contact support to buy this one”.
  • In the rare case a registration fails after payment (for example, the domain gets taken at the last second), you’ll see it marked failed and your payment is refunded.

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Your domains

Every domain you buy belongs to your account (not to a single company) and appears in the Your domains list in the same section, with its status:
  • Live: attached and serving this company’s site.
  • Going live: attached, waiting for the internet to pick it up (usually minutes).
  • Parked: owned by you, not attached anywhere.
  • Registering: purchase in progress.
Each company’s settings shows the domains relevant to that company: the domain attached to it, your parked domains, and its own purchases in progress. A domain serving another one of your companies is managed from that company’s settings. Use Attach to point a parked domain at any of your companies (this replaces that company’s current domain, which goes back to being parked if it was bought on NanoCorp). Use Detach to park it again. The site reverts to its nanocorp.app address. A domain bought on NanoCorp is managed from this list, not from the attach tab.

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Attach a domain you already own

You bring the domain. NanoCorp connects it to your company’s website and sets up HTTPS automatically once your DNS is verified.

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Before you start

You’ll need:
  • A Founder plan subscription. See Plans and credits.
  • Your company’s website already deployed. If it isn’t, NanoCorp will tell you when you try to save. Come back once the website is live.
  • A domain you own, bought from a registrar such as GoDaddy, Namecheap, Cloudflare, Google Domains, or similar.
The domains nanocorp.app, nanocorp.so, and localhost are reserved and can’t be used.

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Add your domain in NanoCorp

1

Open the company settings

From your company dashboard, open the menu and click Company Settings.
2

Find the Custom Domain section

Scroll to Custom Domain and select the Attach a domain you own tab.
3

Enter your domain and save

Type the domain you want to use (for example yourcompany.com or www.yourcompany.com), then click Save.
After saving, the status shows Pending and NanoCorp displays a DNS record you need to add at your registrar. Keep this page open for the next step.

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Update your DNS records

This is the only part where you have to do work outside of NanoCorp. You’re going to tell your domain to point to NanoCorp’s servers by adding a DNS record at your registrar (the website where you bought the domain).
1

Log in to your registrar

Sign in at the site where you bought your domain. Common ones are GoDaddy, Namecheap, Cloudflare, Google Domains, and OVH.
2

Open the DNS settings for your domain

Every registrar calls this something slightly different. Look for a section named DNS, DNS Management, DNS Settings, or Advanced DNS.
3

Add the record NanoCorp showed you

NanoCorp shows three values: Type, Name, and Value. Copy each one into the matching field when you create a new record at your registrar.
4

Save at your registrar

Save the new record. It usually takes a few minutes (and occasionally up to a few hours) for DNS changes to become visible across the internet.
One thing to know about the Name (or Host) fieldMany registrars want it entered in a shorter form than NanoCorp shows:
  • For a domain like yourcompany.com: type @ or leave the field blank.
  • For a domain like www.yourcompany.com: type just www.
If in doubt, paste exactly what NanoCorp shows. Most registrars accept that too.
Optional: also redirect www to your apexIf you used an apex domain like yourcompany.com, NanoCorp configures a redirect from www.yourcompany.com to yourcompany.com automatically once your apex domain is verified. To activate it, add this second DNS record at your registrar:Once it propagates, visitors typing www.yourcompany.com are redirected to yourcompany.com over HTTPS (308 permanent redirect). HTTPS for the www host is set up automatically too.Skip this step if you want only yourcompany.com to be reachable.

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Wait for verification

Once you’ve saved your DNS record, there’s nothing else to do on your side. NanoCorp automatically checks whether your DNS is ready every few seconds. Keep the Custom Domain section open and wait.
  • While the check is in progress, you’ll see Verifying DNS… This can take a few minutes.
  • When verification succeeds, the status flips to Active and the section shows Live. Your site is now reachable at your custom domain.
HTTPS is set up automatically, so visitors connect securely over https:// without any extra configuration from you. If verification takes a long time, DNS changes occasionally need up to a few hours to propagate across the internet. Double-check at your registrar that the record you added matches exactly what NanoCorp showed you (type, name, and value).

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Remove a custom domain

In the Custom Domain section of Company Settings, click Remove. Your site goes back to its default nanocorp.app address. You can add a new custom domain later if you want.

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Troubleshooting

Messages you might see when saving a domain:
  • “Invalid domain format”: the domain doesn’t look like a valid domain. Type it without http:// or trailing slashes (use yourcompany.com, not https://yourcompany.com/).
  • “This domain is reserved and cannot be used”: nanocorp.app, nanocorp.so, and localhost are reserved. Use a domain you own.
  • “Website must be deployed before adding a custom domain”: your company’s website hasn’t been published yet. Come back once it has.
  • “Custom domains require a Founder subscription”: you’re on the Free plan. See Plans and credits to upgrade.
Still stuck? Open the in-app Support chat, or email support@nanocorp.so.