If you own a business website, you have probably heard the terms domain, hosting and DNS. They are often discussed together, but they are three different parts of your website setup.
Understanding the difference becomes especially important when you are launching a new website, changing web companies, moving hosting providers, troubleshooting email or trying to figure out who controls a particular service.
The simplest way to think about it is this: your domain is the address people use to find you, your hosting is where your website lives, and DNS tells the internet where everything connected to your domain should go.
What Is a Domain Name?
A domain name is the address people type into their browser to reach your website.
For example:
- ebmediasolutions.com
- yourbusiness.ca
- example.com
A domain gives people an easy-to-remember way to reach your website instead of having to remember the numerical IP address associated with a server.
Registering a domain does not automatically give you a website. You still need somewhere to host the website and DNS settings that connect the domain to the correct services.
What Is Website Hosting?
Website hosting is the service that stores the files, databases and other resources required for your website to function.
When someone visits your domain, their browser eventually connects to the server where your website is hosted and requests the information needed to display the site.
Depending on the website, hosting may contain:
- Website files
- Images and documents
- Databases
- WordPress files
- Custom website applications
- Backups
- Server configurations
- Security tools
- Caching and performance systems
Your hosting company may also provide other services, but hosting itself is fundamentally where the website runs.
What Is DNS?
DNS stands for Domain Name System.
DNS connects a human-friendly domain name to the servers and services associated with it.
For example, DNS can tell the internet where to find:
- Your website
- Your business email
- Subdomains
- Third-party applications
- Domain verification records
- Security services
- Marketing platforms
ICANN describes DNS as the system that allows domain names to be associated with IP addresses, making it possible for people to use familiar names instead of remembering numerical addresses.
Domain vs Hosting vs DNS in Simple Terms
An easy analogy is to think of your website like a physical business location.
Your domain is the street address.
Your hosting is the building where your business operates.
DNS is the set of directions that tells visitors and services where to go.
The three work together, but they do not have to be managed by the same company.
That is one of the most important things for business owners to understand.
Can Your Domain and Hosting Be With Different Companies?
Yes.
Your domain does not need to be registered with the same company that hosts your website.
For example, you might have:
- Your domain registered with one provider
- Your DNS managed through another provider
- Your website hosted by EB Media
- Your email hosted with Microsoft 365
- Other services connected through additional DNS records
This is a completely normal setup.
In fact, keeping certain services separate can sometimes make future changes easier because moving one service does not necessarily require moving everything else.
Where Does DNS Actually Live?
DNS records are stored with the authoritative DNS provider for your domain.
This may be your domain registrar, hosting company, Cloudflare or another DNS provider.
Your domain's nameservers tell the internet which DNS provider is authoritative for the domain. That provider then stores the DNS records that determine where different services should go.
For example, an A record may point your website to an IP address, while MX records help direct email to the appropriate mail provider.
This is why the place where your domain is registered is not always the same place where your DNS records are managed.
What Are Nameservers?
Nameservers tell the internet which DNS provider is responsible for answering DNS requests for your domain.
For example, if your nameservers point to Cloudflare, your DNS records would generally be managed through Cloudflare rather than through your website hosting account.
Nameservers sit near the top of the domain configuration, which is why changing them can have a significant impact.
If you change nameservers without first recreating all of the necessary DNS records at the new provider, your website, email or other connected services may stop working.
What Are DNS Records?
DNS records contain instructions for specific services connected to your domain.
Some of the most common records include:
- A records, which commonly point a domain or subdomain to an IPv4 address
- AAAA records, which point to IPv6 addresses
- CNAME records, which can point one hostname to another hostname
- MX records, which help determine where email should be delivered
- TXT records, which are commonly used for verification, security and email-related configurations
Different records perform different jobs, which is why DNS changes should be made carefully.
We will cover the main DNS record types in more detail in a separate guide.
Does Changing Website Hosting Affect Your Domain?
Usually, your domain registration does not need to change when you move your website to a different hosting provider.
Instead, the appropriate DNS records can be updated so the domain begins directing website traffic to the new server.
Your domain can stay registered exactly where it is.
This is common when a business moves its website to EB Media while keeping its domain registration with its existing provider.
Does Moving a Website Affect Email?
It should not, provided the DNS is handled correctly.
Your website and email can use completely different providers.
For example, your website could be hosted with EB Media while your email remains with Microsoft 365 or Google Workspace.
The danger comes when someone changes nameservers or replaces DNS records without preserving the existing email settings.
If the necessary MX, TXT or other email-related records are removed or changed incorrectly, email can stop working even though the intention was only to move the website.
Why Website Migrations Can Go Wrong
Many website migration problems are not actually caused by the website itself.
They happen because the existing domain and DNS setup was not fully reviewed before changes were made.
Common issues include:
- Changing nameservers without copying existing DNS records
- Accidentally removing email records
- Pointing the domain to the wrong server
- Losing third-party verification records
- Not knowing where DNS is managed
- Assuming the domain registrar and hosting company are the same
- Cancelling old hosting before the new website is ready
Before moving a website, it is important to understand the entire setup rather than simply changing the first domain setting you find.
How Do You Find Out Who Manages Each Service?
Start by separating the three questions.
First, find out where the domain is registered. If you are not sure, our guide on how to find where your domain is registered walks through the process.
Next, determine where your DNS is managed by checking the nameservers associated with the domain.
Finally, determine where the website itself is hosted.
These may all point to the same company, or you may discover that three different providers are involved.
You should also document where your business email is hosted because email is often connected through the same DNS configuration.
Should Your Domain, Hosting and DNS Be With the Same Company?
There is no universal rule that says they need to be.
Keeping everything with one provider can make management simpler, particularly for smaller businesses.
On the other hand, separating services can provide more flexibility and make it easier to change website hosting without transferring the domain.
What matters most is that the setup is documented and the business knows who controls each service.
At minimum, you should know:
- Where your domain is registered
- Where your DNS is managed
- Where your website is hosted
- Where your email is hosted
- Who has access to each account
- Who receives renewal notices
- Whether important accounts use multi-factor authentication
Frequently Asked Questions
What is the difference between a domain and hosting?
A domain is the address people use to reach your website. Hosting is the server environment where the website itself is stored and runs.
Is DNS the same as hosting?
No. DNS directs domain traffic to different services, while hosting provides the server resources that run your website.
Do I need hosting if I already own a domain?
Yes, if you want to run a traditional website from that domain. Registering a domain does not automatically create or host a website.
Can I move my website without transferring my domain?
Yes. In many cases, the website can be moved to a different host simply by changing the appropriate DNS records while leaving the domain registration where it is.
Can my website and email be with different providers?
Yes. Your website and email are separate services and can be hosted by completely different companies.
Can changing DNS break my website or email?
Yes. Incorrect DNS or nameserver changes can interrupt websites, email and other connected services. Existing DNS records should be reviewed before significant changes are made.
Need Help With Domains, Hosting or DNS?
At EB Media, we manage website hosting, domain connections, DNS changes and website migrations for businesses and organizations across Southern Ontario.
If you are building a new website, moving away from another provider or simply trying to figure out how your existing setup works, we can help identify where your domain, DNS, website and email are currently managed before making any changes.
That can prevent unnecessary downtime and make the transition to a new website much smoother.
For help with your website, hosting or domain setup, contact EB Media.
