GeoDNS Services

The most powerful DNS-level routing services

What is GeoDNS?

GeoDNS is a powerful set of tools that allow you to determine how end-users will reach your domains based on their location (or other unique attributes).

You can use GeoDNS to create rules that permit or prevent specific users from accessing your content. For example, you can use this technology to:

  • Build your own Content Deliver Network (CDN)
  • Geographic load balancing
  • Block malicious or unwanted traffic
  • Optimize routing for different networks or regions

New! How GeoDNS Works

What You'll Learn:

  • The tech behind our GeoDNS services
  • How each service impacts the path of a query
  • Benefits of GeoDNS
  • Use cases
  • How EDNS client subnet works

Check it Out
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GeoDNS Services We Offer

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DNS Firewall

Block or target traffic by location

Take back control of your traffic with IP Filters. You decide who can access your site and who can't based on their location, IP address (IPv4 and IPv6), ASN (Autonomous System Network) of the resolving name server or EDNS client subnet.

Available for A, AAAA, CNAME, and now ANAME records.

  • Firewall at the DNS level that allows you to block maliciouis traffic before it even reaches your servers.
  • DNS-level rules for location specific content
  • Great for retailers with location specific sales, ad delivery, and much more.

Learn How to Use IP Filters

Proximity-based Routing

Our GeoIP engine automatically directs end-users to the closest servers for the fastest response times.

GeoProximity targeting let's you hone in on users from as broad as regional, to as granular as city level lookups! You can even specify the longitude and latitude of your lookups.

Available for A, AAAA, CNAME, and now ANAME records.


Learn How to Use
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Download Our Free Ebook

What You'll Learn

  • How GeoIP services work
  • The tech behind IP Filters and GeoProximity
  • Applications for GeoIP services
  • Performance benefits

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Regional Traffic Steering

GTD uses zone-based routing techniques to optimize and direct your domain's traffic flow.

Works at the domain level. Once enabled, you can create unique records for the following five regions.

  • US East
  • US West
  • Europe
  • Asia-Pac
  • Oceania

Learn How to Use GTD

Supercharge GeoIP Services with GTD

This method corrects any errors caused by incorrect IP to Location mapping databases from GeoIP services (IP Filters and GeoProximity); as well as incorrect lookups by poor peering practices.

Constellix is the only platform that offers these two services together, giving you the most accurate configurations in the industry. (Patent pending)

geofilter and gtd

GeoDNS with EDNS Client Subnet

Our GeoIP servers use EDNS-Client-Subnet to give you the most accurate response based on the actual location of your IP (as opposed to the closest regional server). Additionally, the Geo backend can be used to provide service over several clusters. Any of which can be taken out of use easily, say for maintenance purposes.

Ask your resolver if they support EDNS and learn how you can start creating even more precise configurations. Constellix has established itself as the industry leader in EDNS offerings, and encourages resolvers to consider adopting EDNS technology for greater accuracy.

These features can be defined on a per record basis to ANAME, CNAME, and AAAA records.

Can't Get Enough?

Check These Blogs Out

Anycast vs GeoDNS

Find out the differences between these two crucial routing techniques.

Learn more

DIY CDN with DNS

Learn how to build your own CDN service with just DNS and a few web servers.

Learn how

IP Blocking 101

New Video! Constellix's founder demonstrates how to use IP Filters to block traffic.

Watch now

Build Your Own Hybrid Cloud

Learn how in just five minutes! You can even add location-specific rules for a global roll out.

Read more

Start Using Constellix Today & Only Pay for What You Use!


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