--- version: rssac002v3 service: j.root-servers.net start-period: '2018-03-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4721819615 dns-udp-queries-received-ipv6: 425776412 dns-tcp-queries-received-ipv4: 185087943 dns-tcp-queries-received-ipv6: 16591449 dns-udp-responses-sent-ipv4: 4606944151 dns-udp-responses-sent-ipv6: 422657315 dns-tcp-responses-sent-ipv4: 157773749 dns-tcp-responses-sent-ipv6: 16462967