--- version: rssac002v3 service: j.root-servers.net start-period: '2019-07-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7473705558 dns-udp-queries-received-ipv6: 1347649680 dns-tcp-queries-received-ipv4: 497319834 dns-tcp-queries-received-ipv6: 104179514 dns-udp-responses-sent-ipv4: 7078719175 dns-udp-responses-sent-ipv6: 1277803177 dns-tcp-responses-sent-ipv4: 369986300 dns-tcp-responses-sent-ipv6: 70696499