--- version: rssac002v3 service: j.root-servers.net start-period: '2019-03-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7129962141 dns-udp-queries-received-ipv6: 1196624042 dns-tcp-queries-received-ipv4: 334315758 dns-tcp-queries-received-ipv6: 176822642 dns-udp-responses-sent-ipv4: 6790391640 dns-udp-responses-sent-ipv6: 1061590757 dns-tcp-responses-sent-ipv4: 298531597 dns-tcp-responses-sent-ipv6: 107465292