--- version: rssac002v3 service: j.root-servers.net start-period: '2021-04-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6149660801 dns-udp-queries-received-ipv6: 1476492271 dns-tcp-queries-received-ipv4: 411878230 dns-tcp-queries-received-ipv6: 121378955 dns-udp-responses-sent-ipv4: 5820545376 dns-udp-responses-sent-ipv6: 1465863458 dns-tcp-responses-sent-ipv4: 315925442 dns-tcp-responses-sent-ipv6: 118840073