--- version: rssac002v3 service: i.root-servers.net start-period: '2022-01-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6482263248 dns-udp-queries-received-ipv6: 1496008586 dns-tcp-queries-received-ipv4: 699983570 dns-tcp-queries-received-ipv6: 69618885 dns-udp-responses-sent-ipv4: 5567290836 dns-udp-responses-sent-ipv6: 1392685658 dns-tcp-responses-sent-ipv4: 703519958 dns-tcp-responses-sent-ipv6: 53336812