--- version: rssac002v3 service: i.root-servers.net start-period: '2022-04-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6687451827 dns-udp-queries-received-ipv6: 1651832114 dns-tcp-queries-received-ipv4: 705760035 dns-tcp-queries-received-ipv6: 69031960 dns-udp-responses-sent-ipv4: 5574345128 dns-udp-responses-sent-ipv6: 1493666980 dns-tcp-responses-sent-ipv4: 663341207 dns-tcp-responses-sent-ipv6: 58478149