--- version: rssac002v3 service: j.root-servers.net start-period: '2018-05-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5289405569 dns-udp-queries-received-ipv6: 557439246 dns-tcp-queries-received-ipv4: 249184438 dns-tcp-queries-received-ipv6: 20294396 dns-udp-responses-sent-ipv4: 5127594279 dns-udp-responses-sent-ipv6: 546979122 dns-tcp-responses-sent-ipv4: 199187456 dns-tcp-responses-sent-ipv6: 19920440