--- version: rssac002v3 service: j.root-servers.net start-period: '2019-06-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7833428001 dns-udp-queries-received-ipv6: 1251175400 dns-tcp-queries-received-ipv4: 587951935 dns-tcp-queries-received-ipv6: 80802019 dns-udp-responses-sent-ipv4: 7231383492 dns-udp-responses-sent-ipv6: 1203931706 dns-tcp-responses-sent-ipv4: 421179649 dns-tcp-responses-sent-ipv6: 58187663