Dns servers are based on a recursive look up as you can see below.
K root dns. A k root hosted node is a small rack mounted server with well defined hardware specifications managed by the ripe ncc that serves your local network with a fresh copy of the dns root zone. Dns root servers are a crucial part of the entire dns and for that matter the internet but there isnt that much information about them available. Once it has the answer to the clients request it forwards the answer back to the client.
In principle anyone who is interested can request to host a k root node. One of these 13 servers the k root server is operated by the ripe ncc. So today well learn what root servers are what they do and how many of them are really out there.
Looking at the facts when dyn says more leaks of k root instance in tehran it implies that the configuration where iranian k root instances are seen beyond iran is unintentional and undesired. The authoritative name servers that serve the dns root zone commonly known as the root servers are a network of hundreds of servers in many countries around the world. A cisco 7301 router and a juniper m7i part of the k root server instance at ams ix.
As of 11152020 1104 pm the root server system consists of 1342 instances operated by the 12 independent root server operators. The ripe ncc is the operator of k root one of the 13 dns root servers. This is the a root server farm one of 13 root server farms in the world the highest level in the dns hierarchy.
Each node announces prefixes from 193014023 in as25152. A great tool for dns troubleshooting is nslookup. The k root service is provided by a set of distributed nodes using ipv4 and ipv6 anycast.
This like all the others is a cluster of multiple machines and anexia is now taking part in this and is now hosting one of these systems in vienna austria. Who can host a k root node. Below you can see xp forwarding the request to its dns server.
As promised we are now diving deeper into the technical spheres of the k root servers. A root name server is a name server for the root zone of the domain name system dns of the internet.
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