--- version: rssac002v3 service: i.root-servers.net start-period: '2020-12-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6282197974 dns-udp-queries-received-ipv6: 1345933654 dns-tcp-queries-received-ipv4: 627200905 dns-tcp-queries-received-ipv6: 199181123 dns-udp-responses-sent-ipv4: 4598751978 dns-udp-responses-sent-ipv6: 1165710842 dns-tcp-responses-sent-ipv4: 504182569 dns-tcp-responses-sent-ipv6: 194504327