--- version: rssac002v3 service: i.root-servers.net start-period: '2021-10-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5083280797 dns-udp-queries-received-ipv6: 1109118732 dns-tcp-queries-received-ipv4: 447651936 dns-tcp-queries-received-ipv6: 125699291 dns-udp-responses-sent-ipv4: 4375714046 dns-udp-responses-sent-ipv6: 962167992 dns-tcp-responses-sent-ipv4: 415142685 dns-tcp-responses-sent-ipv6: 107933984