--- version: rssac002v3 service: j.root-servers.net start-period: '2020-12-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7621714512 dns-udp-queries-received-ipv6: 1424430840 dns-tcp-queries-received-ipv4: 709386573 dns-tcp-queries-received-ipv6: 123774277 dns-udp-responses-sent-ipv4: 6895348062 dns-udp-responses-sent-ipv6: 1409622840 dns-tcp-responses-sent-ipv4: 486323685 dns-tcp-responses-sent-ipv6: 119089100