--- version: rssac002v3 service: i.root-servers.net start-period: '2018-10-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5362142837 dns-udp-queries-received-ipv6: 1008931085 dns-tcp-queries-received-ipv4: 136287612 dns-tcp-queries-received-ipv6: 23251210 dns-udp-responses-sent-ipv4: 5275721957 dns-udp-responses-sent-ipv6: 1014883687 dns-tcp-responses-sent-ipv4: 133197162 dns-tcp-responses-sent-ipv6: 22876959