--- version: rssac002v3 service: j.root-servers.net start-period: '2018-09-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6428368381 dns-udp-queries-received-ipv6: 801054787 dns-tcp-queries-received-ipv4: 297146628 dns-tcp-queries-received-ipv6: 26107578 dns-udp-responses-sent-ipv4: 6098224995 dns-udp-responses-sent-ipv6: 791747085 dns-tcp-responses-sent-ipv4: 212253999 dns-tcp-responses-sent-ipv6: 25948046