--- version: rssac002v3 service: j.root-servers.net start-period: '2018-01-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4679062474 dns-udp-queries-received-ipv6: 397294155 dns-tcp-queries-received-ipv4: 160129241 dns-tcp-queries-received-ipv6: 14476409 dns-udp-responses-sent-ipv4: 4584795150 dns-udp-responses-sent-ipv6: 395672460 dns-tcp-responses-sent-ipv4: 133557143 dns-tcp-responses-sent-ipv6: 14486589