--- version: rssac002v3 service: j.root-servers.net start-period: '2021-03-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6377202396 dns-udp-queries-received-ipv6: 1221637315 dns-tcp-queries-received-ipv4: 578648045 dns-tcp-queries-received-ipv6: 97475029 dns-udp-responses-sent-ipv4: 5869112730 dns-udp-responses-sent-ipv6: 1212177025 dns-tcp-responses-sent-ipv4: 395935667 dns-tcp-responses-sent-ipv6: 94906177