--- version: rssac002v3 service: j.root-servers.net start-period: '2021-03-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6882557996 dns-udp-queries-received-ipv6: 1375442891 dns-tcp-queries-received-ipv4: 601874858 dns-tcp-queries-received-ipv6: 105020759 dns-udp-responses-sent-ipv4: 6333507516 dns-udp-responses-sent-ipv6: 1359849777 dns-tcp-responses-sent-ipv4: 416380809 dns-tcp-responses-sent-ipv6: 99570239