| A Domain Name System (Dns) was initially developed by a company named ICIC which is an acronym for "Internet Corporation for Assigned Names and Numbers". An IP address is a series of numbers that uniquely identifies a computer system. Domain names are the addresses given to a specific Internet website. Domain name system functions through a process of DNS servers. ICIC is today one of the largest providers of domain names. The major product of this company is a set of IP address database called DNS. It is a system that provides support for dynamic IP address information, for dynamic DNS or name-based DNS, as well as other applications such as reverse phone lookups and email lookups. In this article, we will discuss about a few interesting facts about this system. Basically, a DNS server performs two important functions. First, it identifies each domain name in the domain name database. Second, it maintains an up-to-date routing table which contains details about all the domain names which have been resolved. The DNS server then translates the IP address of a domain name into an IP address and stores this domain name in its database. There are many reasons why an attacker may want to use dns server names to attack a web server. One reason is that these IP addresses are not tied down to any one geographical location. Another reason is that they can easily be used to mask the real IP addresses of the computers on the network. This makes them very difficult to monitor. They also make it very easy to confuse attacks. Many people think that a name server is only responsible for DNS queries. This is wrong. A name server doesn't always respond to queries. It can also return false results if the query comes from a hacker who is trying to install malware on the computer. On the other hand, authoritative servers are authoritative and do always respond to DNS queries. The DNS server is also sometimes referred to as the DNS root server. Its job is to provide information about the domain names that are part of the system and pass these information across the network. Name servers are often the source of DNS server addresses or they can issue IP-based DNS records. They are also sometimes the hosts that a user connects to when connecting to the internet. Another type of dns servers are the reverse lookups. These are responsible for looking up domain names which might point to an IP address. They might find the IP address by using an Internet Protocol address (IP address). In other words, they search domain names that are based on domain names. Sometimes, these IP address traces can be useful in tracing back a lost link or to check if a domain name is available through another means. caches allow users to store entries or DNS records temporarily. They are used mostly by fast loading web browsers such as the Microsoft Internet Explorer and Mozilla Firefox for making quick work of web pages. Some caches will periodically reload pages, while others will make DNS queries every time the page is accessed. Another important aspect is the dns resolution. The dns resolution looks up the IP address of the domain to resolve any domain name resolution problems. It looks up the name in the databases of the DNS servers. A DNS server is a collection of servers that are collectively operating the IP addresses and associated names of domains in the World Wide Web. A DNS server contains zones which refer to sub-nets, or addresses within a larger server. There is also a root server. The root server is authoritative for all of the zones and sub-domains under it. A DNS lookup operation begins with the requesting party, in this case, the browser, sending an DNS request to the root server. The root server receives the DNS request and then checks the validity of the DNS request. If it checks the domain name against the database, then it returns a positive response. If not, it returns an error message. This response is then sent to the client machine, or smart card. The local dns cache is used to store the answer to the DNS query that was just returned by the root server. Using a caching resolver improves the response time of a DNS server. The client will receive the desired answer to its DNS query before the server searches for the answer itself. The caches allow the clients to obtain the desired answers from multiple dns security systems while using only one system for server authentication. Multiple versions of the same domain name can be registered on different dns cache services at the same time. |