--- version: rssac002v3 service: j.root-servers.net start-period: '2020-12-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9513868435 dns-udp-queries-received-ipv6: 2122274738 dns-tcp-queries-received-ipv4: 732041096 dns-tcp-queries-received-ipv6: 186706361 dns-udp-responses-sent-ipv4: 8617984977 dns-udp-responses-sent-ipv6: 2032499490 dns-tcp-responses-sent-ipv4: 492477052 dns-tcp-responses-sent-ipv6: 145260383