Multiple Domains on One Hosting Plan: Addon Domains
With multiple domains hosting you can manage different websites from a single hosting account. Multiple domains hosting is ideal for entrepreneurs, web designers, and anyone managing more than one website.
You have several websites or domains and don't want a separate hosting plan for each. Good news: with most hosting plans you can host multiple domains. There are several ways to do this.
Options for multiple domains
Addon domain
A completely separate website with its own files and (optional) database. The domain gets its own folder on your hosting.
Example:
- Main domain: yoursite.com → /public_html/
- Addon: secondsite.com → /public_html/secondsite/
Alias (parked domain)
An extra domain name that points to the same website as your main domain. No separate files.
Example:
- yoursite.com and yoursite.net both show the same content
Subdomain
A prefix for your domain with its own files.
Example: blog.yoursite.com → /public_html/blog/
Adding an addon domain
In DirectAdmin
- Log in to DirectAdmin
- Go to "Domain Setup" or "Addon Domains"
- Click "Add Another Domain"
- Enter the domain
- The folder is created automatically
In cPanel
- Log in to cPanel
- Go to "Addon Domains"
- Enter the new domain
- The subdirectory is suggested
- Click "Add Domain"
Adding an alias
An alias (also called a "parked domain") points to the same content:
- Go to "Domain Aliases" or "Parked Domains"
- Add the domain
- The domain now shows your main website
Note: Set a canonical tag to prevent duplicate content!
Don't forget DNS
Adding the domain in your hosting panel is step 1. You also need to set up DNS:
- Point the nameservers to your hosting, OR
- Create A records that point to your hosting IP
Without correct DNS your addon domain won't work.
SSL for extra domains
Every domain needs its own SSL certificate. With most hosts you can create free Let's Encrypt certificates for addon domains.
How many domains can I add?
This depends on your hosting plan:
- Basic plan: Often 1-3 domains
- Standard plan: Usually 5-10 domains
- Unlimited plan: No limit (fair use)
Check your plan's specifications or ask your provider.
Things to watch for
Shared resources
All sites share the same server resources (CPU, RAM, disk space). A busy site can affect the others.
IP address
Usually all domains share the same IP address. For most situations this isn't a problem.
Management
More sites = more maintenance (updates, backups, etc.).
When should you use separate hosting?
Consider separate hosting if:
- A site gets a lot of traffic
- You want full separation (client sites)
- Sites have different technical requirements
Frequently asked questions
Can I install WordPress on an addon domain?
Yes, every addon domain can have its own WordPress installation.
Does every domain get its own email?
Yes, you can create email addresses for every domain.
What does an addon domain cost?
Adding it is free. You only pay for the domain registration itself.
Multiple sites at Theory7
Setting up addon domains
You add an addon domain through your hosting panel:
- Go to Addon Domains or Extra Domains
- Enter the domain name
- The system automatically creates a subfolder (e.g. /public_html/newdomain/)
- Point the domain to your hosting (nameservers or A record)
- Upload your website to the subfolder
Every addon domain behaves like a separate website with its own content.
Parked domains
A parked domain (alias) shows the same content as your main domain. Handy for:
- Showing the same site on multiple extensions (.com and .net)
- Catching spelling variations
- Old domain names after rebranding
Note: parked domains can cause duplicate content issues for SEO. Set up redirects so there's one primary domain.
Subdomains as an alternative
Instead of extra domains you can also use subdomains:
- shop.yoursite.com for your online store
- blog.yoursite.com for your blog
- customer.yoursite.com for a customer portal
Subdomains are free and share the authority of your main domain. No extra registration needed.
How many domains can you add?
This depends on your hosting plan:
- Budget plans: often 1 domain or a limited number of addon domains
- Mid-range plans: 5-10 addon domains
- Unlimited plans: as many as you want (within fair use)
Check your plan's specifications before planning multiple sites.
Sharing resources
All websites on your hosting share the same resources (CPU, memory, storage). This means:
- Many busy sites can slow each other down
- A hacked site can affect other sites
- Disk space is shared between all sites
For small sites this is fine. For larger sites or heavy traffic, separate hosting per site is smarter.
SSL for multiple domains
Every domain needs its own SSL certificate. With Let's Encrypt you request a free certificate per domain. Some providers support this automatically when adding domains.
Email per domain
You can create separate email addresses for every domain. info@site1.com and info@site2.com are completely separate mailboxes, each with their own settings.
Backups
With a hosting backup, all sites are usually included. Check this with your provider. It can be wise to also make separate backups per site, so you can restore one site without affecting the others.
Best practices for multiple sites
Organization
- Use clear folder names you immediately recognize
- Keep an overview of which domain lives where
- Document special configurations per site
Security
- Use unique database passwords for every site
- Isolate sites where possible (different database users)
- Keep all sites up to date, not just your main site
- A hacked site can affect other sites on the same hosting
Performance
- Monitor resource usage per site
- A heavy site can slow down other sites
- Consider an upgrade for structurally high load
When separate hosting is better
Consider separate hosting plans when:
- A site uses a lot of resources
- Sites belong to different clients (isolation)
- Maximum reliability is needed
- You're hitting the limits of your plan
Multiple domains on one hosting plan is fine for smaller sites and projects. As you grow you can always move sites to their own hosting.
Managing multiple domains on one hosting plan is a smart way to save costs. Whether you have a portfolio of websites or manage different projects, addon domains keep everything organized in one place.
Most shared hosting plans support multiple domains. Do check how many domains your plan allows — budget plans often have restrictions. If you have many websites, it pays off to choose a plan with unlimited addon domains.
Organize your files logically with separate folders for each website. This makes management easier and prevents confusion. And don't forget that every website needs its own SSL certificate for a secure connection.
Managing multiple websites on one hosting plan is cost-efficient. Organize everything properly and you'll keep an overview even with ten or more sites. Do watch the server load — too many websites on a basic plan can negatively affect speed.
With the right organization you can manage multiple websites effortlessly from one hosting plan. Think about a logical folder structure and consistent naming that will still make sense a year from now.
Organize your websites smartly and manage them efficiently from one plan. A good structure saves hours of work.
Multiple domains hosting: a complete overview of options
When hosting multiple domains on a single hosting plan, there are several technical solutions. Each has specific pros and cons to weigh. Here's a detailed overview:
| Option | Own files | Own database | Own SSL | Best for |
|---|---|---|---|---|
| Addon domain | Yes | Optional | Yes | Fully separate websites |
| Alias/parked domain | No (shares) | No (shares) | Yes | Multiple extensions (.com/.net) |
| Subdomain | Yes | Optional | Yes | Departments/projects |
| Wildcard domain | Dynamic | Shared | Wildcard SSL | SaaS applications |
Multiple domains hosting: saving costs
One of the biggest advantages of multiple domains on one hosting plan is cost savings. Instead of buying separate hosting for every domain, you bundle everything. Here's an example calculation:
Annual cost comparison
- 5 separate hosting plans: 5 x €60/year = €300/year
- 1 plan with 5 addon domains: 1 x €100/year = €100/year
- Savings: €200 per year for 5 domains
The more domains you have, the bigger the savings. Do make sure your plan has enough resources to run all websites smoothly.
DNS configuration for multiple domains
When connecting multiple domains to your hosting, there are two common methods for DNS configuration:
- Changing nameservers: Point your domain's nameservers to your hosting provider's. This is the simplest method and recommended for most situations.
- Setting up A records: Point the domain to your hosting's IP address via an A record. This is handy if you don't want or can't change the nameservers.
After changing DNS settings it can take up to 24 hours before the changes are rolled out everywhere. Plan DNS changes preferably outside business hours.
Monitoring performance
With multiple websites on one plan it's extra important to keep an eye on performance. Watch for these signals:
- Slow load times on one or more sites
- Frequent error 500 or 503 messages
- High CPU or memory usage in your hosting panel
- Slow database queries
Use tools like Google PageSpeed Insights or GTmetrix to measure the speed of every website. If you notice sites are consistently slow, consider moving the heaviest site to its own plan.
Want to know more about web hosting? Read our article about web hosting for beginners or check out Theory7's hosting plans.
Checklist for multiple domains hosting
Use this checklist when you're going to manage multiple domains on your hosting. A structured approach prevents confusion and security issues:
- Check how many addon domains your hosting plan allows
- Register all the domain names you need
- Plan a logical folder structure on your server
- Add domains through your hosting panel
- Configure DNS for every domain
- Activate SSL certificates per domain
- Install your CMS or website per domain
- Set up email addresses per domain
- Configure backups that include all sites
- Monitor server performance after adding domains
By systematically working through these steps, you prevent problems and keep an overview when managing multiple websites on a single hosting plan.
At Theory7 you can host multiple domains depending on your plan. Every domain gets free SSL via Let's Encrypt.
Tips for efficient multiple domains hosting management
Managing multiple domains hosting requires a structured approach. With the right strategy you keep an overview of all your websites in your multiple domains hosting plan.
Organization and overview
With multiple domains hosting it's important to maintain a clear folder structure. Use a separate directory per domain and keep an overview of all the websites in your multiple domains hosting account. This prevents confusion and makes maintenance easier.
Monitoring performance
With multiple domains hosting you share server resources across all websites. Regularly monitor the resource usage of your multiple domains hosting account and upgrade in time as you approach the limits. Some providers let you purchase additional resources without switching plans.
Multiple domains hosting is the perfect solution for anyone who wants to manage multiple websites without buying a separate hosting plan for every domain. Choose a reliable hosting provider that offers generous multiple domains hosting options and enjoy the convenience of central management. Also check out reseller hosting if you want to resell hosting to clients.
Multiple domains hosting: DNS configuration and best practices
Correctly configuring DNS is crucial when you manage multiple domains hosting. Every domain has its own DNS records. With addon domains on shared hosting, you point all domains to the same IP address. The web server distinguishes them based on the host header. For redirects, use 301 redirects that preserve SEO value. Use a domain redirect correctly so you don't lose link value.
Manage your nameservers centrally. If your domains are with different registrars, point all nameservers to the same provider. Document all DNS settings in a spreadsheet so you can quickly see which records are set up when troubleshooting.
Multiple domains hosting: SSL and security
Every website on your multiple domains hosting account needs its own SSL certificate. Most providers offer free Let's Encrypt certificates. Security updates need to be managed separately for every website. Use ManageWP or MainWP to manage multiple WordPress sites centrally.
Isolation between websites is important. On shared hosting, a hacked website can give access to other websites on the same account. Use separate database users and consider a VPS for better isolation if you manage many websites.
Multiple domains hosting: optimizing costs
Most shared hosting plans let you add unlimited domains. Compare the cost of a single plan versus separate plans per domain. Consolidate domain registrations with a registrar offering sharp renewal prices. Watch for bulk discounts and check the renewal price beforehand. Check out our article about domain name costs.
Regularly evaluate whether all registered domains still contribute to your business goals. Domains that only serve as a redirect and generate no significant traffic can be allowed to expire to save costs. Focus your budget on the domains that contribute most to your online visibility and brand protection.
Multiple domains hosting: a practical example and workflow
A typical scenario for multiple domains hosting is a web designer managing websites for clients. With a single reseller plan you host dozens of client websites, each on their own domain. The workflow is: register the domain, add it as an addon domain in the control panel, install WordPress, configure SSL, and set up the DNS records. The whole process takes less than thirty minutes per website.
For businesses with multiple brands or product lines, multi-domain hosting is also ideal. Every brand gets its own domain name and website, but everything is centrally managed from a single hosting account. This saves costs and simplifies management. Use an overview or spreadsheet to track all domains, expiry dates, SSL status, and content updates.
Also consider whether reseller hosting is a better option if you manage more than ten websites. Reseller hosting offers more control, your own nameservers, and the ability to bill clients separately. Check out our article about starting reseller hosting if you're considering offering hosting as a service to your clients.
Finally: document the configuration of all your domains in a central place. Note for every domain the registrar, the nameservers, the expiry date, the associated website, and any redirects. This overview is invaluable for troubleshooting DNS problems and planning renewals. With well-organized multiple domains hosting management you save time and prevent domains from expiring unnoticed.
Managing multiple domains hosting gets easier as you gain more experience. Start with a few domains, perfect your workflow, and scale up gradually. Automate where possible: automatic SSL renewal, automatic domain renewal, and automatic backups save you valuable time. With the right tools and a structured approach you can manage dozens of domains without it becoming a full-time job.
Finally, consider consolidating all your domains with a single registrar and hosting provider. This simplifies billing, management, and communication with support. An organized hosting environment with all domains in one place is easier to manage than a fragmented landscape of different providers, each with their own login and interface.
For anyone seriously looking to manage multiple websites, investing in a professional management workflow is essential. Automate repetitive tasks, use central monitoring, and keep detailed records. With the right approach your multiple domains hosting setup scales effortlessly with your growing portfolio. Also read our article about hosting costs to plan your budget.
A final consideration for multiple domains hosting is the choice between shared and dedicated IP addresses. With shared hosting, all your domains typically share one IP address, which works fine for most situations. But if your email reputation is important or your domains generate a lot of traffic, a dedicated IP per domain can offer advantages. Discuss this option with your hosting provider to determine what best fits your specific situation and growth plans.
Want to know if a domain name is still available? Use our free domain name checker to check right away.
Sources and references
- Google PageSpeed Insights (pagespeed.web.dev)
- Let's Encrypt — Free SSL Certificates (letsencrypt.org)
- GTmetrix — Website Performance Testing (gtmetrix.com)
