--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5625653375 dns-udp-queries-received-ipv6: 559793166 dns-tcp-queries-received-ipv4: 285258480 dns-tcp-queries-received-ipv6: 17783248 dns-udp-responses-sent-ipv4: 5415539830 dns-udp-responses-sent-ipv6: 493916047 dns-tcp-responses-sent-ipv4: 223880106 dns-tcp-responses-sent-ipv6: 17932082