--- version: rssac002v3 service: j.root-servers.net start-period: '2018-01-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4503999827 dns-udp-queries-received-ipv6: 391423419 dns-tcp-queries-received-ipv4: 153175741 dns-tcp-queries-received-ipv6: 13844269 dns-udp-responses-sent-ipv4: 4407255356 dns-udp-responses-sent-ipv6: 389268562 dns-tcp-responses-sent-ipv4: 128429991 dns-tcp-responses-sent-ipv6: 14011564