--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9110906597 dns-udp-queries-received-ipv6: 1277528790 dns-tcp-queries-received-ipv4: 714920555 dns-tcp-queries-received-ipv6: 117167184 dns-udp-responses-sent-ipv4: 8295811370 dns-udp-responses-sent-ipv6: 1228468464 dns-tcp-responses-sent-ipv4: 499746766 dns-tcp-responses-sent-ipv6: 99564158