--- version: rssac002v3 service: j.root-servers.net start-period: '2018-04-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4918392125 dns-udp-queries-received-ipv6: 411331692 dns-tcp-queries-received-ipv4: 212908655 dns-tcp-queries-received-ipv6: 17676298 dns-udp-responses-sent-ipv4: 4803419971 dns-udp-responses-sent-ipv6: 408500698 dns-tcp-responses-sent-ipv4: 180052020 dns-tcp-responses-sent-ipv6: 17689784