--- version: rssac002v3 service: j.root-servers.net start-period: '2019-01-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5705246303 dns-udp-queries-received-ipv6: 812979319 dns-tcp-queries-received-ipv4: 424026476 dns-tcp-queries-received-ipv6: 68704268 dns-udp-responses-sent-ipv4: 5335142541 dns-udp-responses-sent-ipv6: 769730294 dns-tcp-responses-sent-ipv4: 271606872 dns-tcp-responses-sent-ipv6: 46187630