Custom domain configuration in Firebase - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is a custom domain in Firebase Hosting?

A custom domain is a web address you own that you connect to your Firebase-hosted site, so visitors see your own URL instead of the default Firebase URL.

beginner

What is the first step to connect a custom domain to Firebase Hosting?

You add your domain in the Firebase Console under Hosting, then verify you own the domain by adding a DNS record at your domain provider.

beginner

Why do you need to update DNS records when configuring a custom domain?

Updating DNS records tells the internet to send visitors to Firebase servers when they enter your domain name, linking your domain to your Firebase site.

intermediate

What type of DNS records are commonly used to connect a custom domain to Firebase Hosting?

You usually add A records pointing to Firebase IP addresses or CNAME records pointing to Firebase hosting URLs, depending on your domain setup.

beginner

How does Firebase handle HTTPS for custom domains?

Firebase automatically provisions and renews SSL certificates for your custom domain, so your site is secure with HTTPS without extra setup.

What is the purpose of verifying domain ownership in Firebase?

A To prove you control the domain before linking it to Firebase Hosting

B To enable Firebase billing for the domain

C To create a new domain name

D To delete the domain from Firebase

Verifying ownership ensures only the rightful owner can connect the domain to Firebase Hosting.

Which DNS record type is NOT typically used to connect a custom domain to Firebase Hosting?

A MX record

B CNAME record

C A record

D TXT record

MX records are for email routing, not for connecting websites to hosting services.

What does Firebase do automatically after you connect a custom domain?

A Creates a new Firebase project

B Changes your domain registrar

C Provisions an SSL certificate for HTTPS

D Deletes your default Firebase URL

Firebase automatically sets up SSL certificates so your site is secure with HTTPS.

Where do you add DNS records to connect your domain to Firebase?

A In the Firebase Console

B In your website code

C In your Firebase project settings

D At your domain registrar or DNS provider

DNS records must be added where your domain's DNS is managed, usually your domain registrar.

What happens if you don’t update DNS records after adding a custom domain in Firebase?

A Your site will still work with the custom domain

B Visitors will see an error or the old site

C Firebase will update DNS automatically

D Your domain will be deleted

Without DNS updates, the internet won’t know to send visitors to Firebase, so the custom domain won’t work.

Explain the steps to configure a custom domain for a Firebase Hosting site.

Think about what you do in Firebase and what you do at your domain provider.

Why is it important to update DNS records when setting up a custom domain with Firebase?

Consider how the internet knows where to send visitors.