--- version: rssac002v3 service: j.root-servers.net start-period: '2018-01-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4336004595 dns-udp-queries-received-ipv6: 396103378 dns-tcp-queries-received-ipv4: 151635418 dns-tcp-queries-received-ipv6: 13384113 dns-udp-responses-sent-ipv4: 4243280408 dns-udp-responses-sent-ipv6: 393693835 dns-tcp-responses-sent-ipv4: 126596819 dns-tcp-responses-sent-ipv6: 13418147