--- version: rssac002v3 service: j.root-servers.net start-period: '2018-01-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4354290281 dns-udp-queries-received-ipv6: 389359551 dns-tcp-queries-received-ipv4: 147180090 dns-tcp-queries-received-ipv6: 13070071 dns-udp-responses-sent-ipv4: 4266036901 dns-udp-responses-sent-ipv6: 387439954 dns-tcp-responses-sent-ipv4: 125529035 dns-tcp-responses-sent-ipv6: 13125744