Question

medium size company is running an old windows infrastructure and the organization has small budget for upgrades. some critical in the infrastructure needs to improved or the company may be faced with services outages. One of these main areas includes the DNS infrastructure. now, the organization has a single DNS server for the entire company.

what are the group of options to improve the DNS infrastructure in windows server 2012

what are the main advantages and disadvantages of each of your options.

Answer 1

The advantages of Domain Name System (DNS) design are recorded underneath.

• Load Balancing: Today the Internet is so immense, with a large number of gadget and clients getting to its administrations from everywhere throughout the globe, at each moment. A Single DNS Server can't deal with the colossal worldwide DNS traffic.

• Distance to DNS Servers: If we have DNS servers close to our land area, we will get quicker answers for our DNS questions. This is conceivable by having a conveyed DNS server foundation.

• Redundancy: If we have just a solitary worldwide DNS Server dealing with all the DNS traffic, its disappointment can cause the total web name goals an abrupt stop. Conveyed DNS server framework gives repetition and keeps a solitary purpose of disappointment.

• Maintenance: Distributed DNS server framework gives an approach to simple to refresh the DNS Servers and simple support.

• Delegation: Because of the appropriated engineering of the DNS, the command over parts of the entire DNS namespace can be appointed to different associations.

The disadvantages of Domain Name System (DNS) design are recorded underneath.

• The hierarchial and incorporated which separates the principle goal of Internet is intended to be a decentralized framework , ICANN can control the DNS root library that is a non benefit private association with connections to one explicit country and difficulties the idea of unhindered internet .
• Breakdown of Domain Name System will crash the internet in spite of the fact that there are many root servers and reinforcement servers focusing on DNS servers at specific key areas will complete a ton of damage , Spoofing DNS will prompt a great deal of pivotal/private information winding up in wrong hands .
• In the event that the server or PC breaks, at that point the site page facilitated by the server or PC can't run , DNS issues can be hard to investigate because of its geological and conveyed nature , The customers can not interface with their nearby system when DNS is broken and they will be unfit to achieve the remote gadgets by their names .
• DNS questions don't convey any data about the customer that set off the name goals , The administration side DNS server knows just the system address of DNS server that gets some information about the administration area .
• At the point when the DNS server can not locate the right IP address , The site won't stack , As the PCs convey through IP addresses and not have names , The PC doesn't have even an inkling what you're attempting to achieve except if it can utilize an IP address .
• In the event that the malware changed your DNS server settings , entering a similar URL may take you to a totally extraordinary site or to the site that resembles your bank site yet truly isn't , It might record your username and secret key , giving the tricksters all the data they have to get to your financial balance .
• Malwares commandeer some DNS servers to divert the mainstream sites to ones that are loaded with the commercials or phony infection sites that make you think you need to purchase the program to clean the contaminated PC .
• You ought to introduce an antivirus program with the goal that noxious projects are gotten before they can do any harm , You must know about how the site looks , or you're getting an invalid authentication message in your program , it may be an indication that you're on an impersonation site .