--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9269245356 dns-udp-queries-received-ipv6: 1308445438 dns-tcp-queries-received-ipv4: 843687894 dns-tcp-queries-received-ipv6: 120031587 dns-udp-responses-sent-ipv4: 8380177936 dns-udp-responses-sent-ipv6: 1248567112 dns-tcp-responses-sent-ipv4: 570290726 dns-tcp-responses-sent-ipv6: 100153317