--- version: rssac002v3 service: j.root-servers.net start-period: '2021-05-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7059878985 dns-udp-queries-received-ipv6: 1465466398 dns-tcp-queries-received-ipv4: 560454021 dns-tcp-queries-received-ipv6: 102553333 dns-udp-responses-sent-ipv4: 6527497261 dns-udp-responses-sent-ipv6: 1447389044 dns-tcp-responses-sent-ipv4: 386755510 dns-tcp-responses-sent-ipv6: 96847312