--- version: rssac002v3 service: j.root-servers.net start-period: '2018-02-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4734319392 dns-udp-queries-received-ipv6: 445427861 dns-tcp-queries-received-ipv4: 184294072 dns-tcp-queries-received-ipv6: 16507523 dns-udp-responses-sent-ipv4: 4625485309 dns-udp-responses-sent-ipv6: 443238107 dns-tcp-responses-sent-ipv4: 154685096 dns-tcp-responses-sent-ipv6: 16466266