--- version: rssac002v3 service: i.root-servers.net start-period: '2020-12-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5958119901 dns-udp-queries-received-ipv6: 1133691203 dns-tcp-queries-received-ipv4: 598567629 dns-tcp-queries-received-ipv6: 133693486 dns-udp-responses-sent-ipv4: 4509190329 dns-udp-responses-sent-ipv6: 969968877 dns-tcp-responses-sent-ipv4: 505412639 dns-tcp-responses-sent-ipv6: 130861253