--- version: rssac002v3 service: i.root-servers.net start-period: '2021-02-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5284757379 dns-udp-queries-received-ipv6: 938817583 dns-tcp-queries-received-ipv4: 511629065 dns-tcp-queries-received-ipv6: 137119389 dns-udp-responses-sent-ipv4: 4259522272 dns-udp-responses-sent-ipv6: 856130302 dns-tcp-responses-sent-ipv4: 377893096 dns-tcp-responses-sent-ipv6: 124865155