--- version: rssac002v3 service: i.root-servers.net start-period: '2022-01-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6547948052 dns-udp-queries-received-ipv6: 1509974623 dns-tcp-queries-received-ipv4: 701277520 dns-tcp-queries-received-ipv6: 70797044 dns-udp-responses-sent-ipv4: 5661913824 dns-udp-responses-sent-ipv6: 1413916480 dns-tcp-responses-sent-ipv4: 703263537 dns-tcp-responses-sent-ipv6: 55321533