Powerful GeoDNS Strategies to Maximize Your Site Performance

Once upon a time, before smartphones and Google, humans called telephone operators or used phonebooks to find the contact information for a person or business-and many by means of a corded phone with a rotary dial, no less.

DNS, the Operator of the 21st Century

That’s where DNS comes in. At its core, DNS is the modern-day 411 operator or phonebook, but for websites. While invented in 1983 by Paul Mockapetris, it wasn’t until the 2000s that the internet, in general, started really becoming a part of our daily lives. As internet popularity grew, so did the importance of DNS, as without it our internet experience would be nowhere near what it is today.

Okay, enough of the history lesson. If you’re reading this you probably already know the basics of DNS, so let’s get straight to the good stuff!

With the old phonebook and operator system, businesses had no control over who reached their business by phone. And without advanced DNS-and GeoDNS specifically-you couldn’t prevent unwanted traffic to your website(s) either.

GeoDNS might not actually stand for “genius evolution of Domain Name Systems,” but it is genius! While similar to Anycast DNS (services that are built on globally distributed nameservers that answer queries based on user locations), GeoDNS is far more advanced.

This technology essentially lets you assign business rules that sit in front of your DNS records that help you make decisions that will give you the ultimate return on your DNS investment.

Amazing Ways Your Brand Can Capitalize on Constellix’s GeoDNS Tools

This puts a lot of power in your hands that would otherwise be unavailable to you, as it allows you to configure rules based on the precise needs of your domain(s).

IP Filtering

Filtering by State or Region

Let’s take a look at how we can apply filtering to a local business.

Real-World Example

To eliminate this issue, you could use IP filtering to set regional or state-level rules that will allow only relevant traffic to land on your site by blocking the traffic altogether. Alternatively, you could choose to redirect the irrelevant traffic to another IP.

For instance, if you have a blog for vegan tips and recipes that isn’t region-specific, you could route traffic there. Or, you could just stop certain state or regional traffic from hitting your site altogether by blocking non-relevant areas.

It’s all about your domain goals and the specific needs of your organization.

Stop Malicious or Unwanted Traffic in its Tracks

Using IP filtering in this manner is especially helpful when you notice anomalies or a sudden increase in traffic, as you can block the country where the bad traffic is coming from and instructing your DNS server to drop the query.

Real-time Traffic Anamoly Detection (RTTAD) service, you can quickly and effectively stop DDoS attacks before they can cause damage to your domains. When this service is enabled, you are alerted in real time when spikes and anomalies occur, and can set up filters accordingly. This lets you play offense, instead of scrambling on the defense, after an attack.

Filtering by ASN (Autonomous System Numbers)

Here’s an example.

Let’s say Betty’s Vegan Pizzeria doesn’t want Donnie’s Vegan Pizza Shack visiting their site. While Betty’s can’t prevent someone from accessing the site on a personal device, they can block Donnie’s Vegan Pizza Shack by setting up an IP filter for their specific ASN number.

In this instance, Betty’s could redirect Donnie’s Vegan Pizza Shack back to their own website or an IP address of their choosing, or they could have the DNS server drop the query based on that ASN.

Filtering by ASN can also help with latency issues and improve connectivity for end users. With this method of GeoFiltering, you can control how queries are directed and to which servers they are directed. This can be beneficial when using multiple content delivery networks (CDNs) or multiple Internet Service Providers (ISPs).

There are many reasons why companies would want or need to filter their internet traffic and each case is unique. The good thing is that there are several easy ways to implement and achieve your DNS goals-IP filtering being just one of them!

IP Filtering by Language

For an in-depth explanation of how to apply IP filters to your domain in Constellix, watch this video.


Filtering With Precision and Redundant Locations

For example, with GeoProximity, you can choose to hone in on traffic from a large city like Los Angeles or pinpoint a tiny town with a population of 547, like Hartville, Missouri.

To go even further, you could get as specific as one (or more) person’s IP address in Hartville, Missouri, rather than the entire town, if you notice suspicious activity coming from a certain IP address.

Another reason for using GeoProximity is to enable rules based on location. The idea behind this is similar to the example I used above with Betty’s Vegan Pizzeria, which was routing or blocking traffic from specific locations. With GeoProximity, however, you can get set rules based on your technical environment, or even latitude and longitude coordinates based on the locations of your servers.

If you do business only in Charlotte, North Carolina, you can set GeoFilters that only allow queries from users based in Charlotte to hit your website. If you want to branch out and allow nearby towns and cities to reach your site, you can configure this as well, while still blocking or redirecting queries from other locations.

Build Your Own CDN

The Constellix Difference

How? Our GeoIP engine directs users to the closest servers in your network automatically. All you have to do is set up your geo-specific rules and have the appropriate records configured.

Why use Constellix for GeoDNS? For starters, our focus is DNS and only DNS. We also play nice with other services and don’t try to lock you into a contract that might have costly implications in the future.

When it comes to GeoDNS, though, we have a unique database that utilizes custom-designed, in-house scripts that are always current. You won’t find more accurate or timely DNS data anywhere else.

To be honest, I could keep listing all of the reasons why you should use Constellix, but that list would get really long. If you’ve hung in with me this far, though, you definitely see the benefit of implementing GeoDNS into your DNS strategy.

If you liked this, you might find these helpful: https://news.constellix.com/ip-blocking-constellix/https://news.constellix.com/everything-you-need-to-know-about-geodns/https://news.constellix.com/anycast-vs-geodns/

If you still have questions about how Constellix can benefit your organization, why not book a demo and check it out for yourself? After all, seeing is believing!

Originally published at https://constellix.com.

Constellix is a traffic management suite offering advanced DNS hosting and network monitoring services. Start optimizing your online performance today!