--- version: rssac002v3 service: j.root-servers.net start-period: '2019-08-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7394674440 dns-udp-queries-received-ipv6: 1587503234 dns-tcp-queries-received-ipv4: 698599771 dns-tcp-queries-received-ipv6: 258880317 dns-udp-responses-sent-ipv4: 6774541553 dns-udp-responses-sent-ipv6: 1358823305 dns-tcp-responses-sent-ipv4: 472192497 dns-tcp-responses-sent-ipv6: 147165564