interface: eth0
gateway: "" # optional; empty means auto-detect default gateway for the interface on Linux
refresh: 2s

dns:
  server: 1.1.1.1
  domain: example.com
  timeout: 1s

ping:
  timeout: 1s

targets:
  - name: Cloudflare DNS
    address: 1.1.1.1
  - name: Google DNS
    address: 8.8.8.8
  - name: Quad9 DNS
    address: 9.9.9.9