--- version: rssac002v3 service: i.root-servers.net start-period: '2021-03-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4631331674 dns-udp-queries-received-ipv6: 769813629 dns-tcp-queries-received-ipv4: 409201950 dns-tcp-queries-received-ipv6: 101805370 dns-udp-responses-sent-ipv4: 3918071542 dns-udp-responses-sent-ipv6: 717292201 dns-tcp-responses-sent-ipv4: 341942418 dns-tcp-responses-sent-ipv6: 96018754