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GeoDNS (or GeoIP) is a patch for BIND DNS server software, to allow geographical split horizon (different DNS answers based on client's geographical location), based on MaxMind's geoip (commercial) or geolite (free) databases.
The objective of this technology is to enhance the domain name lookup by address resolution based on the geographical location of the client. For example a website might have 2 servers, one located in France and one in the US. With GeoDNS it's possible to create a DNS record for which clients from Europe would get the IP address of the French server and clients from the US would get the American one. This makes network access faster and possibly cheaper, compared to directing all users worldwide to the same server or to multiple servers using random distribution, such as round robin.
As this technology is DNS based, it is much easier to deploy than BGP anycast. It does not require any support from the ISP and will not break existing connections when the server selected for a particular client changes. However, as it is not intimately tied into the network infrastructure it is likely to be less accurate at sending data to the nearest server.
The requester that the resolving DNS server sees is typically not the end user, but the DNS server of the user's ISP doing a recursive lookup, and the recursive DNS server caches the result. As ISPs typically arrange for users to use DNS servers geographically near them, the system usually works nonetheless.
GeoDNS (or GeoIP) is a patch for BIND DNS server software, to allow geographical split horizon (different DNS answers based on client's geographical location)...
users to manage their DNS traffic via specified protocols such as: DNS failover, dynamic IP addresses, SMTP authentication, and GeoDNS. Public recursive name...
at DNS OARC 32. Retrieved 2020-09-09. Knot DNS 3.0 Benchmarking Knot DNS 2.1.0 Knot DNS 2.2.0 Knot DNS 2.3.0 Knot DNS 2.4.0 Knot DNS 2.5.0 Knot DNS 2.6...
DNS management software is computer software that controls Domain Name System (DNS) server clusters. DNS data is typically deployed on multiple physical...
daemon), "oftc-ircservices" (the IRC services suite), and "oftc-geodns" (a GeoIP DNS responder to handle user distribution across the servers). OFTC uses...
Mechanisms for DNS that allows a recursive DNS resolver to specify the subnetwork for the host or client on whose behalf it is making a DNS query. This is...
Name System (DNS). Its most prominent component, named (pronounced name-dee: /ˈneɪmdiː/, short for name daemon), performs both of the main DNS server roles...
Route 53 Now Supports DNS Queries over IPv6 Networks". Barr, Jeff (2014-07-31). "Route 53 Update - Domain Name Registration, Geo Routing, and a Price Reduction"...
supporting DNS LOC RFC 1876 - How latitude and longitude are stored in a DNS record. RFC 2426 Chapter 3.4.2: Text/directory MIME type GEO RFC 6350 Section...
Traditionally, CDNs have used the IP of the client's recursive DNS resolver to geo-locate the client. While this is a sound approach in many situations...
needed] A DNS proxy server takes DNS queries from a (usually local) network and forwards them to an Internet Domain Name Server. It may also cache DNS records...
satisfactorily audited by Cure53. In September 2019 Surfshark launched Trust DNS, a DNS resolver app for Android. In July 2020, Surfshark announced its entire...
IoT security company Mocana. In June 2022, the company acquired DNS Made Easy, a DNS services provider. On October 19, 2022, DigiCert named Dr. Amit Sinha...
for operation of mail servers to perform a check via a Domain Name System (DNS) query whether a sending host's IP address is blacklisted for email spam...
private cloud. The capabilities provided by GEO LoadMaster are similar to hosted services such as Dyn DNS In March 2014, Kemp announced availability on...
the original on May 12, 2019. Retrieved May 12, 2019. "⚓ T282787 Configure dns and puppet repositories for new drmrs datacenter". Wikimedia Phabricator...
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