--- version: rssac002v3 service: i.root-servers.net start-period: '2020-12-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5052633830 dns-udp-queries-received-ipv6: 955166026 dns-tcp-queries-received-ipv4: 536069406 dns-tcp-queries-received-ipv6: 125184288 dns-udp-responses-sent-ipv4: 3902036226 dns-udp-responses-sent-ipv6: 845453728 dns-tcp-responses-sent-ipv4: 415597186 dns-tcp-responses-sent-ipv6: 116766113