echoClientSubnet

package module

v0.0.0-...-3c5a241 Latest Latest Go to latest Published: Nov 3, 2025 License: MIT Imports: 8 Imported by: 0

README ¶

This is a CoreDNS plugin that responds to TXT queries with the EDNS Client Subnet's data.

edns.example.com {
	echoClientSubnet
}

Add echoClientSubnet:github.com/mtzfederico/coredns-echoClientSubnet to plugin.cfg and run make

dig +short txt edns.example.com +subnet=203.0.113.0/24

Output: "1203.0.113.0/24/0. Remote address: [::1]:51505"

echoClientSubnet is a CoreDNS plugin that returns a query's EDNS Client Subnet information in a TXT record.