--- version: rssac002v3 service: j.root-servers.net start-period: '2018-04-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4536381555 dns-udp-queries-received-ipv6: 452370191 dns-tcp-queries-received-ipv4: 195370911 dns-tcp-queries-received-ipv6: 16239154 dns-udp-responses-sent-ipv4: 4442818268 dns-udp-responses-sent-ipv6: 449463594 dns-tcp-responses-sent-ipv4: 165360262 dns-tcp-responses-sent-ipv6: 16304675