--- version: rssac002v3 service: j.root-servers.net start-period: '2018-01-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4652952232 dns-udp-queries-received-ipv6: 381598324 dns-tcp-queries-received-ipv4: 154067970 dns-tcp-queries-received-ipv6: 13981969 dns-udp-responses-sent-ipv4: 4562814595 dns-udp-responses-sent-ipv6: 380323856 dns-tcp-responses-sent-ipv4: 129373451 dns-tcp-responses-sent-ipv6: 14010249