--- version: rssac002v3 service: j.root-servers.net start-period: '2020-06-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8883637829 dns-udp-queries-received-ipv6: 1408863220 dns-tcp-queries-received-ipv4: 761765355 dns-tcp-queries-received-ipv6: 129908980 dns-udp-responses-sent-ipv4: 8197288104 dns-udp-responses-sent-ipv6: 1386262751 dns-tcp-responses-sent-ipv4: 546391792 dns-tcp-responses-sent-ipv6: 121946873