--- version: rssac002v3 service: j.root-servers.net start-period: '2019-07-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7870704354 dns-udp-queries-received-ipv6: 1364147241 dns-tcp-queries-received-ipv4: 561176943 dns-tcp-queries-received-ipv6: 107675303 dns-udp-responses-sent-ipv4: 7400036096 dns-udp-responses-sent-ipv6: 1295595204 dns-tcp-responses-sent-ipv4: 413869791 dns-tcp-responses-sent-ipv6: 74553363