--- version: rssac002v3 service: i.root-servers.net start-period: '2021-11-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6029299827 dns-udp-queries-received-ipv6: 1116940204 dns-tcp-queries-received-ipv4: 493572776 dns-tcp-queries-received-ipv6: 115740282 dns-udp-responses-sent-ipv4: 5156067746 dns-udp-responses-sent-ipv6: 958727999 dns-tcp-responses-sent-ipv4: 470738337 dns-tcp-responses-sent-ipv6: 99140843