--- version: rssac002v3 service: j.root-servers.net start-period: '2019-07-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6838693754 dns-udp-queries-received-ipv6: 1167256628 dns-tcp-queries-received-ipv4: 459940096 dns-tcp-queries-received-ipv6: 98892692 dns-udp-responses-sent-ipv4: 6493501099 dns-udp-responses-sent-ipv6: 1104043687 dns-tcp-responses-sent-ipv4: 347723460 dns-tcp-responses-sent-ipv6: 68771756