--- version: rssac002v3 service: j.root-servers.net start-period: '2021-02-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7083029826 dns-udp-queries-received-ipv6: 1519872759 dns-tcp-queries-received-ipv4: 665437500 dns-tcp-queries-received-ipv6: 130035640 dns-udp-responses-sent-ipv4: 6459374939 dns-udp-responses-sent-ipv6: 1480416909 dns-tcp-responses-sent-ipv4: 447723598 dns-tcp-responses-sent-ipv6: 115111433