--- version: rssac002v3 service: j.root-servers.net start-period: '2019-08-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8135778726 dns-udp-queries-received-ipv6: 1735827990 dns-tcp-queries-received-ipv4: 737505240 dns-tcp-queries-received-ipv6: 273109738 dns-udp-responses-sent-ipv4: 7438433362 dns-udp-responses-sent-ipv6: 1492797617 dns-tcp-responses-sent-ipv4: 495483740 dns-tcp-responses-sent-ipv6: 154571465