--- dns: hosts: dns_1: ansible_host: 192.168.1.3 sync_target: 192.168.1.4 update_weekday: 1 dns_2: ansible_host: 192.168.1.4 sync_target: 192.168.1.3 update_weekday: 2 proxy: hosts: proxy_1: ansible_host: 192.168.1.12