--- version: rssac002v3 service: j.root-servers.net start-period: '2020-01-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9224391889 dns-udp-queries-received-ipv6: 1273824706 dns-tcp-queries-received-ipv4: 746493472 dns-tcp-queries-received-ipv6: 112186850 dns-udp-responses-sent-ipv4: 8470779741 dns-udp-responses-sent-ipv6: 1227277161 dns-tcp-responses-sent-ipv4: 540229736 dns-tcp-responses-sent-ipv6: 98250658