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Use a domain you already own with your Base44 app. Base44 shows you what your DNS needs to point to, and you can either set up your DNS with Base44 or add the records manually at your domain provider. Your domain stays registered with your provider or DNS host, such as GoDaddy, Namecheap, or Cloudflare. Base44 hosts your app, and once your records are correct and your domain is active with your registrar, Base44 issues and renews your SSL certificate automatically.

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Important information

Before you connect an external domain, keep the following in mind:
  • Custom domains are available on the Starter plan and above.
  • If you add your DNS records manually, make sure they match exactly what is shown in your Base44 dashboard.
  • Remove any AAAA (IPv6) records for hostnames used with Base44, as they can block connections.
  • Remove or update any CAA records that could block certificate authorities used by Base44.
  • The SSL certificate is issued automatically once your domain is verified and DNS is resolving correctly.
  • If you are reusing an old domain from an app deleted before June 5, 2025, contact support so we can clear it from our system.
Domains ending in uk.com, gb.com, eu.com, us.com, uk.net, gb.net, and similar: When you connect a root domain with one of these endings (for example, mybusiness.uk.com), the www version is not set up automatically, and visiting www.yourdomain returns an SSL error. This is a permanent limitation of these domain types, not a temporary issue. Your root domain works normally. Use and share your app’s address without www. Ordinary domains such as example.com, example.co.uk, or example.com.au are not affected. If you run into an SSL error on the www version of your domain, contact support.

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Connecting your domain

There are 2 ways to connect a domain you own. Base44 can set up your DNS for you, and this is the option that opens by default. You sign in to your domain provider and approve the changes, then Base44 adds the records. You can also add the records manually at your provider, and you can switch between them at any time.

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Setting up your DNS with Base44

Base44 offers to set up your DNS straight after you add your domain, so you stay in your app instead of copying record values across. To set up your DNS with Base44:
  1. Click Dashboard in your app editor.
  2. Click Domains.
  3. Click Connect existing domain.
  4. Enter your domain or subdomain, for example mycoolapp.com, then click Add.
  5. In the window that opens, click Continue with [your provider], for example Continue with GoDaddy, then sign in to your domain provider.
  6. Review the DNS changes and approve them to add the records to your domain.
Signing in to your domain provider to set up your DNS

Signing in to your domain provider to set up your DNS

Base44 detects your domain provider and displays it in the setup window, so you continue with your own provider. You sign in there and approve the changes yourself. Base44 then verifies your domain automatically, and your app is usually live and secured at your domain within 30 minutes.
Replacing existing records: If the names you are connecting already point somewhere else, Base44 replaces those records so your domain reaches your app, and any site currently served at those names may stop resolving. The setup window lists every record it changes before you approve.Base44 only replaces the records for the names you connect, such as your root domain, www, or the subdomain you entered. Base44 does not change your MX or TXT records.
If you are the workspace owner, you may also see an offer to add a business email on your new domain. See Buying a business email.
Both options stay available while your domain shows Pending verification. Hover the badge and click Set up DNS for me to start again, or open the (•••) menu next to your domain and click DNS instructions to get the record values.Inside the setup window, click Connect a different way to choose how you finish setup:
  • Set up manually shows you the records to add at your provider.
  • Send login link to admin emails a setup link to whoever manages your DNS.
  • Change provider lets you pick your provider if a different one was detected.

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Manually adding your DNS records

Add the records at your domain provider when you prefer to make the change there, when your DNS is managed by someone else on your team, or when your provider is not shown in the setup window. Step 1 | Add your domain
  1. Click Dashboard in your app editor.
  2. Click Domains.
  3. Click Connect existing domain.
  4. Enter your domain name (for example, mycoolapp.com), then click Add.
  5. Open the (•••) menu next to your domain and click DNS instructions.
Step 2 | Configure DNS at your registrar or DNS host Choose the setup type below that matches what your domain provider supports.
If your provider does not support ANAME or ALIAS, use an A record for the root domain and a CNAME for www.
  • Root domain (@)
  • www subdomain
Make sure this is the only A record for your root domain. Remove any other A records added by your provider, such as parking or default records.
Some country registries such as NIC.ar for .ar domains only let you set nameservers. They do not provide a full DNS zone editor where you can add A or CNAME records directly.In this case, you can use a DNS provider such as Cloudflare between your registry and Base44:
  1. Create an account with a DNS provider like Cloudflare.
  2. Add your domain to the DNS provider.
  3. Copy the nameservers they give you.
  4. In your registry portal, set those nameservers in the delegation settings for your domain.
  5. Wait for the nameserver change to propagate.
  6. In your DNS provider, add the Base44 records:
    • For the root domain: A @ to 216.24.57.1 (or ANAME/ALIAS to base44.onrender.com if supported).
    • For www: CNAME www to base44.onrender.com.
  7. Remove any AAAA and conflicting CAA records, and keep the Base44 related records as DNS only if your DNS provider offers proxying.
Step 3 | Verify your domain
  1. Click Dashboard in your app editor.
  2. Click Domains.
  3. Click Verify next to your domain.
  4. Allow up to 48 to 72 hours for DNS propagation if you use an external registrar or DNS host.
If verification does not complete after DNS propagation, run a WHOIS lookup on your domain to check that it is active and not on a status such as clientHold or serverHold. If it is on hold, contact your registrar to resolve the issue before you continue.

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Connecting a subdomain

You can connect a subdomain you already own, such as app.yourdomain.com, to give your Base44 app its own address while your main domain keeps serving whatever is already there. Enter the full subdomain in Connect existing domain and both options work the same way as they do for a root domain. Base44 adds the record for you, or you can add it manually using the values below.
Important:
  • Base44 supports connecting specific subdomains. Wildcard subdomains are not supported, so enter each subdomain you want to connect, such as subdomain or www.subdomain.
  • SSL certificates are issued for the exact subdomains you connect.
To add the subdomain record manually:
  1. Go to your domain provider’s DNS settings.
  2. Add a new CNAME record with:
    • Type: CNAME
    • Name: [your subdomain] (for example, subdomain if you want subdomain.yourdomain.com)
    • Value: base44.onrender.com
  3. To make sure both subdomain.yourdomain.com and www.subdomain.yourdomain.com work, add an additional CNAME record:
    • Type: CNAME
    • Name: www.subdomain
    • Value: base44.onrender.com
Base44 adds the record for the exact subdomain you entered. Make sure there are no A or AAAA records at the same hostnames.
For a subdomain, the www version also needs to be added to your app’s Custom domains list, which only our support team can do. The CNAME record on its own is not enough, and the address keeps failing until the www version is registered on our side. Contact support with the subdomain and we will add it for you.

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FAQs

Click a question below to learn more about connecting an external domain.
Setting up your DNS with Base44 is the quickest option, and it is the one that opens by default once you add your domain. Base44 detects your domain provider and displays it in the setup window. You sign in to your provider and approve the changes, then Base44 adds the records and verifies the domain, so there are no values to copy.Add the records manually when you prefer to make the change at your provider, when your DNS is managed by someone else on your team, or when your provider is not shown in the setup window. The record values are always available from the More Actions icon next to your domain.If someone else on your team manages your DNS, you can also click Connect a different way in the setup window, then click Send login link to admin to email them a setup link.
Refresh your Domains page first. A domain that finished setup can still show Pending verification until the status is re-checked, and the setup message can stay on screen after your domain is live. Open your domain in a browser, and if your app loads, your domain is connected.If it still shows Pending verification after a refresh, both options are available to you. Hover the badge and click Set up DNS for me to open the setup window again, then sign in to your domain provider and approve the changes. You can also open the (•••) menu next to your domain and click DNS instructions to get the record values and add them manually.If you added the records manually, click Verify next to your domain, and allow up to 48 to 72 hours for DNS propagation.
When you update your DNS settings, the changes need to spread to servers around the world. This process is called DNS propagation. It can take up to 72 hours, although it is often much faster.You can check the progress by visiting whatsmydns.net, entering your domain, and selecting the record type (A, CNAME, etc.) to see which locations have updated.
Yes. If the domain was used in an app deleted before June 5, 2025, contact Base44 support to clear it from our records before you add it again.
Yes. You can send one page to another, or send a whole domain to another domain on the same app, from your app’s Domains page. See Setting up 301 redirects.
No. There is no setting in Base44 to stop or reverse the www → root redirect.You may want www to be your primary domain for SEO or personal preference. From Google’s perspective, both www and the root domain are treated the same as long as your canonical setup is consistent.As a workaround, make sure you have a CNAME record for www pointing to base44.onrender.com in your DNS settings. This ensures www.domain.com loads your app. If you need finer control over redirect behavior, set this up with your DNS or hosting provider outside of Base44.If you want more control over this feature in the future, you can submit a feature request to the Base44 product team.
If you are experiencing problems with your domain, see our troubleshooting steps. Check your DNS records, make sure there are no AAAA or conflicting CAA records, confirm that your domain is not on hold at your registrar, and verify that your records are set to DNS only if you use Cloudflare.