--- version: rssac002v3 service: i.root-servers.net start-period: '2017-12-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4989232727 dns-udp-queries-received-ipv6: 673245472 dns-tcp-queries-received-ipv4: 90313385 dns-tcp-queries-received-ipv6: 13771477 dns-udp-responses-sent-ipv4: 4968548565 dns-udp-responses-sent-ipv6: 667245376 dns-tcp-responses-sent-ipv4: 90763572 dns-tcp-responses-sent-ipv6: 13853026