Multiple Domain

Most of the organizations now-a-days have multiple domain names which end up with .com, .org, .net etc. There can be many reason for this, out of which the main one is to own the website name in all domains. This will help the organization in many ways as it will avoid any other taking the same name or URL in a different domain. Mostly, people type domain name with a .com suffix as it is most common and our domain name will be some other. So we need to point these suffixes to our website.

Another reason for owning multiple domain names is to avoid possible singular-plural mistakes. If the domain name consists of a noun that has both these forms, it will be beneficial to own both or all variants so that the user will not reach some other web site. Spelling differences can also create problem and compel us to maintain multiple domain.

“Realise” and “Realize” is an example. But owning all of the variants of your domain name might be practically impossible as it would be an endless list and will be financially not feasible. We can get into the safer side by owning usual domain names and the ‘usual’ ones are .com, .net and .org.

Now we are going to see the different ways of pointing multiple domain names to a single website. The first one is hosting all domains in a single web host. All most all web hosts allows to park your web domain. So that they will get directed to the one website which we really use to market our business.

Content duplication issue:

This method of preserving website names create a search engine problem called content duplication. In fact we have developed three websites showing the same content; it appears to the search engine that there are three websites with identical content. There is not much to worry about this but it will make difference when people start to link to your websites. Those who have entered the .com URL will use that address to link and those who used .net will use the same to link.

They see the address as what they entered in the address bar. From the perspective of a search engine. It will rate your site on the basis of number of links pointing to the site to determine its importance. We have divided the links to our web page to more than one. In fact everybody is pointing to same website, but with different address and rates down your website on count of links pointing to your site. And the result will be that none of our website address seems to yield the importance which they have.

Directing all domains to the same website on your web host:

1. Get your web host’s name servers:

You can ask your web host for the name servers or you may look into the email or documentation; when you first signed up with the web hosting service.

2. Entering into the registrar’s setting of your domain, the name servers:

Once we have the name servers list, we need to login to the domain name registrar system and with the user name and password provided to you. We have to look for the option to set domain’s name servers or to change them.Every domain registrar has different layout for this and we have to manually find it there.

 Once you reach that page, you will see a form that prompts you to enter your first name server, second name server, third name server and so on..it could be like primary name server, secondary name server, tertiary name server, etc but all are same. Put the first name server from the list, usually begins with “ns1” into the Primary Name Server field or to the first name server field. Then move on to the second one and like that enter all name servers of your domain.

A domain name should have at least 2 name servers associated with it. If we are able to see only two fields to enter the name server and we have three name servers. We don’t have to worry about the one that is not entered. It is provided by the web host so that the site will work if first name server fails. You may use the help option provided in the registrar page if you are not able to find the necessary field, to avoid changing something else in that page.

Next we need to arrange our entire domain name in the same web host so that they point towards one website.

Solving the duplicate content issue:

After doing the above steps, we have to redirect all the secondary domains to the main one. 301 Redirect is on way to accomplish this. The ‘Rel=”canonical” tag passes the same amount of ranking power as a 301 redirect. And often take less development time for implementation. The meta robots tag with the parameters “noindex, follow” can be added to pages that are not intended for search engine indexing. Parameter handling tools in Google’s Webmaster can also be used to avoid content duplication. But the drawback is that, it only works for Google. Set Preferred Domain should be set for all domain names to tell the search engine whether to show the result with the “www” or not.

There are more ways to avoid content duplication which can be referred in a guide for search engine optimization.

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