--- version: rssac002v3 service: j.root-servers.net start-period: '2018-03-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4550788370 dns-udp-queries-received-ipv6: 375649354 dns-tcp-queries-received-ipv4: 185756680 dns-tcp-queries-received-ipv6: 15426180 dns-udp-responses-sent-ipv4: 4435274699 dns-udp-responses-sent-ipv6: 373622348 dns-tcp-responses-sent-ipv4: 150721649 dns-tcp-responses-sent-ipv6: 15527296