--- version: rssac002v3 service: j.root-servers.net start-period: '2018-09-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6128396504 dns-udp-queries-received-ipv6: 685218818 dns-tcp-queries-received-ipv4: 318837570 dns-tcp-queries-received-ipv6: 24133662 dns-udp-responses-sent-ipv4: 5799047863 dns-udp-responses-sent-ipv6: 682418004 dns-tcp-responses-sent-ipv4: 231733557 dns-tcp-responses-sent-ipv6: 23908477