--- version: rssac002v3 service: i.root-servers.net start-period: '2021-11-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6263783918 dns-udp-queries-received-ipv6: 1164072381 dns-tcp-queries-received-ipv4: 526280054 dns-tcp-queries-received-ipv6: 131125870 dns-udp-responses-sent-ipv4: 5355048366 dns-udp-responses-sent-ipv6: 989779429 dns-tcp-responses-sent-ipv4: 497619552 dns-tcp-responses-sent-ipv6: 112856216