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Author Topic: 5 Ways to Take Advantage of DNS  (Read 103 times)

Addison

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5 Ways to Take Advantage of DNS
« on: May 11, 2018, 12:17:48 PM »
Internet getting faster day by day to simplify the things and bring everything with just tapping once a single click of mouse. But away from the physical infrastructure of cables, telephone lines, and routers, there exist a digital structure that exist behind that we all easily forget. This digital structure directs all your traffic around the web.
DNS is far more than just a lookup service and often referred to as the phonebook of the internet. And Domain Name System (DNS) is one of the most underappreciated parts of that digital infrastructure.


What is DNS?
The DNS performs the function of turning an URL into the IP address for the site. Your ISP (Internet Service Provider) is the one who will provide you default DNS server.
When you type any web address into the address bar of your browser, your DNS server gets the request to get the site’s IP address. Your ISP will send the site back to you if it finds the site in its DNS database.

Your ISP won’t maintain a comprehensive list of every DNS record as there are billions of websites across the world. If your ISP’s database hasn’t listed the site, then it will request other servers for the particular record. The record is stored a cache so that users get quick response in future if they request to that site.
You will be presented with a name_not_resolved error if DNS servers can’t find a record for the website. Though leaving your ISP’s DNS server as your default does just fine most of the time, but there are some surprising benefits to if you try out alternative servers and shake the things up including:

1. Fast Browsing
It takes unreasonable amount of time (less than a couple of seconds usually) for a website to load. But all of us will try it for obvious reason if had the option to speed it up for free. It can improve loading times for many different reasons if you change your DNS provider. The system has a lot of variables, but in comparison to your local ISP, a separate DNS server is likely to have more sites cached and this is the main difference.

2. Add Network-Wide Parental Controls
Networking giant Cisco owns a DNS server called OpenDNS that incorporates adult site “blacklists”. This server is responsible for blocking your request if you make a request to look up to one of the blacklisted sites.
Many home routers allow you to change the network’s default DNS server. Means you blacklist sites to protect your kids while they are online by setting up the OpenDNS on your entire home network. Family Shield is OpenDNS’ free server, but if you want more customization on the filters, they also offer Home and VIP Home options.

3. Bypass Geo-Restrictions
Because of one or the other reason, you may legitimately want or need to bypass geo-restrictions in order to access region-blocked music and video. There is another simpler way other than using a VPN for this.
To unblock region-restricted content, there are services like UnoDNS, they replace your IP address with one of theirs during a DNS lookup. This tricks the website into thinking that you are in a location where the content is accessible not blocked. And you don’t have to do anything if you change to UnoDNS on your router.

4. Avoid Censorship
To try and restrict the speech of its citizens, oppressive governments around the world use censorship. “Shutting down” parts of the internet aren’t under control of any individual government. So what really they can do is, block the site at the local ISP level.

5. Enhanced Security
In recent years, we keep on hearing about website hacks and data leaks every now and then, but overlook the problem when a DNS server is hacked or goes offline. A large DDoS attack can take DNS servers down for a number of hours and make some of the most popular services inaccessible. In that matter, you don’t have to do anything, just wait without changing your server until your DNS server comes back online.
The attacker may even change DNS records to redirect to phishing or malware-ridden pages, if the attacker is particularly malicious. You may minimize the chances of being victim to these attacks by choosing a good DNS server like Google’s Public DNS or OpenDNS or the one that has a good track record of security.

Conclusion
Having a wide range of options is one of the best parts of the DNS. And also, it is easy to change your DNS server. You may even have different DNS servers for different situations. Means, it will take just few seconds to change a server back if you don’t get the result you were looking for using any particular server.
It may make a huge impact on your browsing speed, online security, bypassing geo-restrictions and censorship if you change your DNS. So in order to improve your internet experience, try changing your DNS server before jumping to more complicated solutions, because it is easy and free too.


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5 Ways to Take Advantage of DNS
« on: May 11, 2018, 12:17:48 PM »

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Re: 5 Ways to Take Advantage of DNS
« Reply #1 on: September 25, 2018, 08:44:17 AM »

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Re: 5 Ways to Take Advantage of DNS
« Reply #1 on: September 25, 2018, 08:44:17 AM »

 

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