Emule Nodes.dat !!top!!
For the foreseeable future, nodes.dat remains the standard. The good news is that once you connect, you essentially "vaccinate" your client. You will generate your own nodes.dat file upon closing eMule, meaning you will never need to manually bootstrap again unless you wipe your config folder or switch computers.
In eMule, the file is the essential "phonebook" for the Kademlia (Kad) network. Unlike the eD2k network which relies on central servers, Kad is a decentralized peer-to-peer (P2P) network where every user acts as a small server. The nodes.dat file contains the contact information (IP addresses and ports) of other active Kad users so your client can "bootstrap" into the network. Quick Setup Guide emule nodes.dat