--- version: rssac002v3 service: j.root-servers.net start-period: '2017-12-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4562782611 dns-udp-queries-received-ipv6: 426166125 dns-tcp-queries-received-ipv4: 152948594 dns-tcp-queries-received-ipv6: 13069783 dns-udp-responses-sent-ipv4: 4470448214 dns-udp-responses-sent-ipv6: 423835793 dns-tcp-responses-sent-ipv4: 129170254 dns-tcp-responses-sent-ipv6: 13062341