--- version: rssac002v3 service: j.root-servers.net start-period: '2021-01-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7231054083 dns-udp-queries-received-ipv6: 1480073973 dns-tcp-queries-received-ipv4: 647796984 dns-tcp-queries-received-ipv6: 112175861 dns-udp-responses-sent-ipv4: 6653761284 dns-udp-responses-sent-ipv6: 1465289947 dns-tcp-responses-sent-ipv4: 449801962 dns-tcp-responses-sent-ipv6: 106932687