--- version: rssac002v3 service: i.root-servers.net start-period: '2018-02-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5431069255 dns-udp-queries-received-ipv6: 721623679 dns-tcp-queries-received-ipv4: 103822483 dns-tcp-queries-received-ipv6: 14903818 dns-udp-responses-sent-ipv4: 5450145279 dns-udp-responses-sent-ipv6: 716958184 dns-tcp-responses-sent-ipv4: 104830026 dns-tcp-responses-sent-ipv6: 14930060