--- version: rssac002v3 service: i.root-servers.net start-period: '2018-01-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5350885326 dns-udp-queries-received-ipv6: 685748293 dns-tcp-queries-received-ipv4: 90016089 dns-tcp-queries-received-ipv6: 13362495 dns-udp-responses-sent-ipv4: 5423776805 dns-udp-responses-sent-ipv6: 716627493 dns-tcp-responses-sent-ipv4: 90278313 dns-tcp-responses-sent-ipv6: 13327661