The last update from the developers of SitebildZ makes it clear that it will deal with DNS for the user. But what is DNS, and why is it important in the building of websites?
What Is Domain Name System?
Domain Name System (DNS) is a special and unique name that is used to refer to a specific website on the network. In the real scenario, each website name is represented in terms of numbers that are decimal separated and are used to represent a specific website. It is usually hard to master these numbers hence DNS comes in. These numbers are instead represented using easy readable names like www.dns.com instead of using Internet Protocol numbers that are always difficult to remember.DNS software is an application that facilitates the process by which these readable names are located and translated into IP addresses and vice versa too. Suppose you want to search for a particular site, you may not be required to enter the specific IP address of that site but rather its equivalent name which is easy to grasp and remember. Domain Name System is software that is responsible for this name resolution issue. If you are looking for a specific site using its global name, DNS will search for an IP address on the DNS Servers that correctly represent that specific site.
An Insight on DNS Servers
A server is a database that is used to store millions of DNS names. If you want to store your site in database, its domain name must first be stored in a special database known as the DNS server. This special database will constitute both the domain names and their corresponding IP addresses for the purpose of verification and identification. If you take for the case of a website that has been hosted locally in a PC using a local server, its domain name could be http://localhost/dnsfile.com and its IP address could be 127.0.0.1.If they are uploaded to an online database and you search for the domain name, the DNS server will look up for the corresponding IP address and bring back the contents relating to that IP address which is equivalently the same as that of the domain name. So every SitebildZ website that you create, every name that you register will need to be “joined” together via this system
The great thing about DNS servers is that they are not fixed in numbers hence retrieving data from a specific domain name is not an expensive task. If you have the right name, you will absolutely get the most efficient and correct content. There are multiple web hosting companies that do offer DNS services hence each domain name becomes visible so long as it is added to a specific database. The other factor is that after adding it to a DNS server, it would be integrated and transferred to other DNS servers through synchronization. The company you select therefore needs to just add your specific domain to its servers and it would be available elsewhere.
This activity is practicable when using a web browser. If you type a specific domain name on the browser, the browser would automatically translate that name to a corresponding IP address or seek the help of an ISP.Either the computer or the Internet Service Provider would use a DNS server to identify the content associated with that address and return back the contents to the requester. This sounds complex for sure! But remember, this is just for your information only. SitebildZ will deal with all of this on your behalf. There is no need to “get you hands dirty” with this aspect yourself, though it might help users of the SItebildZ application to understand the process and appreciate the complexity of the system, as well as how much work it is doing on their behalf.
How DNS Functions
If you happen to visit a specific website to view its pages or you are trying to send an email, the process is still similar. If you type a domain name like http://www.howdnsfunctions.com ,the browser will undergo a series of steps that are mandatory. The ultimate goal of these steps is to resolve the domain name to a specific IP address so as to process the request that was sent.
DNS starts when you first type a domain name that you want it to be resolved. Although you may not actually get concerned about what is happening when you enter a specific domain name, it is great to know that some processes are involved before you get a reply. The computer will start by finding corresponding details on its local cache. If it cannot find any related information, it proceeds to another stage.
Here, the computer will consult the ISP servers for relevant information. The ISP DNS servers will deliberately query in your Pc’s behalf in order to find any relevant information. If this server locates the information, it will return it back to the requester who is usually the end user of the browser.
If it happens that the above recursive server cannot locate any important information, an advance measure needs to be put into place. Root name servers come in handy here. Root nameserver which is a special software and hardware will aid in resolving domain name and address issues .The servers can be 13 in number in normal occasions. The last server which is thirteen will act as the mother of the others yet it would not have the solution at hand. It tries to locate where a specific address can be found.
Don’t Worry SiteBildZ Does All This For You
A special server known as Top Level Domain will then look at each part of the domain name to explain it further. Each part of the domain is then referred to a specific server that will try to resolve it.
Through this multiple resolution processes, the servers will be able to precisely retrieve what the user was looking for and return back the information to him/her.
The obtained information would then be kept on a local cache to avoid repeated process of searching for the same content over and over. This will be the work of the recursive nameservers.In an ever changing environment, today’s information may not be relevant tomorrow. This server will then have to use a specific algorithm to delete stored data in the cache that may not be necessary or may need an update. A fresh copy of the same data will then be fed to the server. So your SitebildZ website will actually be listed on any number of servers at the same time. This goes some way to explain (as an example) the differences in search results by location and over time as the information is propagated through the various systems.
When all the relevant information has been obtained, the recursive server will send it back to the computer cache where the browser can access with ease. If the next time you type the same domain name on your browser, it would just pick the IP address from the cache and send it back to the requester. Though it seems like a complex process, all these activities take just fractions of a second or rather milliseconds
Phew. And SitebildZ deals with all of this? Yes. I bet that is a real relief!
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