Help! Please explain DNS, Domain Names, Hosts and all of those things!
If you’ve inherited or stepped up to the job of helping your nonprofit manage your website, your mail, your ISP or any of those sorts of things - you might find yourself wallowing in alphabet soup! Don’t worry - just because it is complicated doesn’t mean that you can’t find your way around! Here’s a very short primer on some of those terms:
- ISP: Internet Service Provider. This is the person or agency that actually provides connectivity to the internet. Somewhere along the way, this is bound to include a phone or a cable company - someone that has a connection to the actual wire or cable - but it doesn’t have to. A lot of agencies re-sell that bandwidth - so your ISP might be a local agency, an agency in another state, or the phone or cable company. You can read more about ISP’s courtesy of WiseGeek. Examples include Earthlink and Comcast.
- Domain Name Service or DNS: I tend to think of DNS as the translation service of the internet. Since the internet uses numbers for addresses and we’d prefer to use names - DNS acts as the match-maker - making sure that your name points to the right number. The folks at Webopedia can tell you more.
- Domain Name: This is the name that you use to identify your website. For instance, www.npowerseattle.org is the Domain Name for my agency. There might be a lot of different websites or internet addresses that point to that name. Webopedia will help you learn more about this one, too!
- (www.npowerseattle is the domain name - but there can be many host or sub-domain names, too, such as www.mailservices.npowerseattle.org or community.npowerseattle.org/patricks.
Putting it all Together
You decide that you want to build a new website. Your provider builds a new site and then needs a place to put it if they don’t host websites. You might choose to replace your existing website - or you might get a better deal hosting it somewhere else. Your new WebHost will give you a number - and you’ll need to tell your Registrar to point your name to that new site.
But you might really like the service you are getting regarding your email - so you’ll also need to make sure that your email “stays” with your current host, not your new one.
So - this can get complicated quickly. Make sure you work with a provider that understands all of these terms, and how to make them work the best for you - and don’t be nervous about asking questions!

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