--- version: rssac002v3 service: j.root-servers.net start-period: '2018-04-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4774762858 dns-udp-queries-received-ipv6: 532728015 dns-tcp-queries-received-ipv4: 195475351 dns-tcp-queries-received-ipv6: 17576095 dns-udp-responses-sent-ipv4: 4678000957 dns-udp-responses-sent-ipv6: 529252230 dns-tcp-responses-sent-ipv4: 167080843 dns-tcp-responses-sent-ipv6: 17518880