--- version: rssac002v3 service: j.root-servers.net start-period: '2019-07-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7586638284 dns-udp-queries-received-ipv6: 1373234545 dns-tcp-queries-received-ipv4: 491221593 dns-tcp-queries-received-ipv6: 113240946 dns-udp-responses-sent-ipv4: 7198460978 dns-udp-responses-sent-ipv6: 1298018815 dns-tcp-responses-sent-ipv4: 369274943 dns-tcp-responses-sent-ipv6: 77344302