Deliver unique content to your end-users depending on their location, IP address, or connection type. Our GeoDNS services offer unmatched levels of granularity for a truly custom experience for every end-user.

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IP Filters

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), or EDNS client subnet.

  • Filter out malicious traffic sources by dropping any lookups that match your IP Filter rule. This service is a first of its kind, providing you with a DNS level firewall to combat DDoS attacks.
  • Need to deliver location specific content? Set an IP Filter rule to include or exclude particular regions or cities.
  • Great for retailers with location specific sales, ad delivery, and much more.

Learn How to Use IP Filters

New Infographic: GeoDNS Explained

How are we able to say we offer the most granular query routing? Check out this infographic to see how we are using new user-specific routing techniques.

Check it Out
filter infographic


Use our GeoIP engine to automatically runs a proximity search to identify which servers are closest to your end-users for the fastest response.

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

Learn How to Use
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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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Global Traffic Director

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

Create your own unique zone configurations and get geographically unique query responses, every time. Available in the following regions:

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

Learn How to Use GTD

GTD with GeoIP Services

This method actually corrects any errors caused by incorrect IP to Location mapping databases; as well as incorrect GTD lookups by poor peering practices; and can effectively detect outliers better than the competition.

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


Double Down

Combine IP Filters with GeoProximity! As long as your IP Filter rules are matched first and then GeoProximity rules are matched second.

The Future of DNS

Recent trends show that end-users prefer when their experience is personalized. IP Filters can be used to deliver tailored content that's specific to a user's location.

Real-Time Responses

GeoIP responses are centered on an IP to location lookup that are done in real-time and are configurable with ANAME, CNAME, and AAAA records.

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.

Integrating Sonar with DNS

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