--- version: rssac002v3 service: j.root-servers.net start-period: '2019-09-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7559105815 dns-udp-queries-received-ipv6: 1570390471 dns-tcp-queries-received-ipv4: 515308451 dns-tcp-queries-received-ipv6: 217164663 dns-udp-responses-sent-ipv4: 7108292189 dns-udp-responses-sent-ipv6: 1386670384 dns-tcp-responses-sent-ipv4: 396434878 dns-tcp-responses-sent-ipv6: 127077144