--- version: rssac002v3 service: j.root-servers.net start-period: '2020-06-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9397869071 dns-udp-queries-received-ipv6: 1458681390 dns-tcp-queries-received-ipv4: 755351133 dns-tcp-queries-received-ipv6: 128106486 dns-udp-responses-sent-ipv4: 8694276508 dns-udp-responses-sent-ipv6: 1433152997 dns-tcp-responses-sent-ipv4: 526621366 dns-tcp-responses-sent-ipv6: 120742596