--- version: rssac002v3 service: i.root-servers.net start-period: '2021-10-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4701963888 dns-udp-queries-received-ipv6: 1025994663 dns-tcp-queries-received-ipv4: 451365917 dns-tcp-queries-received-ipv6: 133600860 dns-udp-responses-sent-ipv4: 4033776410 dns-udp-responses-sent-ipv6: 877546560 dns-tcp-responses-sent-ipv4: 412757837 dns-tcp-responses-sent-ipv6: 119411586