--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7681102160 dns-udp-queries-received-ipv6: 1369950780 dns-tcp-queries-received-ipv4: 639589666 dns-tcp-queries-received-ipv6: 98145863 dns-udp-responses-sent-ipv4: 7035200847 dns-udp-responses-sent-ipv6: 1322950215 dns-tcp-responses-sent-ipv4: 457695230 dns-tcp-responses-sent-ipv6: 76340100