--- version: rssac002v3 service: i.root-servers.net start-period: '2021-10-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4620144142 dns-udp-queries-received-ipv6: 1075860046 dns-tcp-queries-received-ipv4: 463963427 dns-tcp-queries-received-ipv6: 133135526 dns-udp-responses-sent-ipv4: 4142374888 dns-udp-responses-sent-ipv6: 946637778 dns-tcp-responses-sent-ipv4: 459039327 dns-tcp-responses-sent-ipv6: 118334136