--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5609428233 dns-udp-queries-received-ipv6: 662093073 dns-tcp-queries-received-ipv4: 310558368 dns-tcp-queries-received-ipv6: 20956758 dns-udp-responses-sent-ipv4: 5391719144 dns-udp-responses-sent-ipv6: 659883882 dns-tcp-responses-sent-ipv4: 234737784 dns-tcp-responses-sent-ipv6: 20773325