--- version: rssac002v3 service: i.root-servers.net start-period: '2022-01-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6651087392 dns-udp-queries-received-ipv6: 1592795549 dns-tcp-queries-received-ipv4: 713834653 dns-tcp-queries-received-ipv6: 87631573 dns-udp-responses-sent-ipv4: 5787523370 dns-udp-responses-sent-ipv6: 1499857556 dns-tcp-responses-sent-ipv4: 713621560 dns-tcp-responses-sent-ipv6: 70654043