--- version: rssac002v3 service: i.root-servers.net start-period: '2021-08-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4771638487 dns-udp-queries-received-ipv6: 1224476136 dns-tcp-queries-received-ipv4: 473174589 dns-tcp-queries-received-ipv6: 128253854 dns-udp-responses-sent-ipv4: 4229427249 dns-udp-responses-sent-ipv6: 1100439964 dns-tcp-responses-sent-ipv4: 424646603 dns-tcp-responses-sent-ipv6: 109118089