--- version: rssac002v3 service: i.root-servers.net start-period: '2020-12-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4878390498 dns-udp-queries-received-ipv6: 1006980953 dns-tcp-queries-received-ipv4: 548684011 dns-tcp-queries-received-ipv6: 147910643 dns-udp-responses-sent-ipv4: 3917557099 dns-udp-responses-sent-ipv6: 904035610 dns-tcp-responses-sent-ipv4: 429742178 dns-tcp-responses-sent-ipv6: 135896487