--- version: rssac002v3 service: j.root-servers.net start-period: '2017-12-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4595743190 dns-udp-queries-received-ipv6: 421530365 dns-tcp-queries-received-ipv4: 160194023 dns-tcp-queries-received-ipv6: 12883392 dns-udp-responses-sent-ipv4: 4500082493 dns-udp-responses-sent-ipv6: 419109202 dns-tcp-responses-sent-ipv4: 135176262 dns-tcp-responses-sent-ipv6: 12895411