--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5330476010 dns-udp-queries-received-ipv6: 538808169 dns-tcp-queries-received-ipv4: 247269658 dns-tcp-queries-received-ipv6: 17371706 dns-udp-responses-sent-ipv4: 5152556628 dns-udp-responses-sent-ipv6: 529510969 dns-tcp-responses-sent-ipv4: 190682530 dns-tcp-responses-sent-ipv6: 17374889