--- version: rssac002v3 service: j.root-servers.net start-period: '2019-06-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8054496810 dns-udp-queries-received-ipv6: 1305916822 dns-tcp-queries-received-ipv4: 583386021 dns-tcp-queries-received-ipv6: 80593890 dns-udp-responses-sent-ipv4: 7425353278 dns-udp-responses-sent-ipv6: 1258270035 dns-tcp-responses-sent-ipv4: 419835771 dns-tcp-responses-sent-ipv6: 57710872