--- version: rssac002v3 service: i.root-servers.net start-period: '2020-12-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5596860233 dns-udp-queries-received-ipv6: 1066990402 dns-tcp-queries-received-ipv4: 573316180 dns-tcp-queries-received-ipv6: 123985521 dns-udp-responses-sent-ipv4: 4193577294 dns-udp-responses-sent-ipv6: 935656553 dns-tcp-responses-sent-ipv4: 460554877 dns-tcp-responses-sent-ipv6: 119480992