--- version: rssac002v3 service: i.root-servers.net start-period: '2021-10-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5928681686 dns-udp-queries-received-ipv6: 1209825231 dns-tcp-queries-received-ipv4: 553651662 dns-tcp-queries-received-ipv6: 145888508 dns-udp-responses-sent-ipv4: 5134504770 dns-udp-responses-sent-ipv6: 1060233281 dns-tcp-responses-sent-ipv4: 512799988 dns-tcp-responses-sent-ipv6: 128257845