--- version: rssac002v3 service: i.root-servers.net start-period: '2020-12-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4911953417 dns-udp-queries-received-ipv6: 952661423 dns-tcp-queries-received-ipv4: 517486479 dns-tcp-queries-received-ipv6: 124949262 dns-udp-responses-sent-ipv4: 3898602144 dns-udp-responses-sent-ipv6: 850505343 dns-tcp-responses-sent-ipv4: 392315557 dns-tcp-responses-sent-ipv6: 115567231