--- version: rssac002v3 service: i.root-servers.net start-period: '2018-12-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5734328945 dns-udp-queries-received-ipv6: 1097952310 dns-tcp-queries-received-ipv4: 130491312 dns-tcp-queries-received-ipv6: 33007665 dns-udp-responses-sent-ipv4: 5652135036 dns-udp-responses-sent-ipv6: 1102364050 dns-tcp-responses-sent-ipv4: 127865493 dns-tcp-responses-sent-ipv6: 32163153