--- version: rssac002v3 service: j.root-servers.net start-period: '2020-05-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9431789706 dns-udp-queries-received-ipv6: 1573860392 dns-tcp-queries-received-ipv4: 842005544 dns-tcp-queries-received-ipv6: 194851760 dns-udp-responses-sent-ipv4: 8720416703 dns-udp-responses-sent-ipv6: 1525317959 dns-tcp-responses-sent-ipv4: 601571935 dns-tcp-responses-sent-ipv6: 184593996