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docs.waku.org/docs/learn/concepts/dns-discovery.md
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title hide_table_of_contents
DNS Discovery true

Built upon the foundation of EIP-1459: Node Discovery via DNS, DNS Discovery allows the retrieval of an ENR tree from the TXT field of a domain name. This innovative approach enables the storage of essential node connection details, including IP, port, and multiaddr.

This bootstrapping method allows anyone to register and publish a domain name for the network, promoting increased decentralisation.

Pros

  • Low latency, low resource requirements.
  • Easy bootstrap list updates by modifying the domain name, eliminating the need for code changes.
  • Ability to reference a larger list of nodes by including other domain names in the code or ENR tree.

Cons

  • Vulnerable to censorship: Domain names can be blocked or restricted.
  • Limited scalability: The listed nodes are at risk of being overwhelmed by receiving all queries. Also, operators must provide their ENR to the domain owner for listing.

Overview

import DNSDiscovery from "@site/diagrams/_dns-discovery.md";

<DNSDiscovery />