--- version: rssac002v3 service: j.root-servers.net start-period: '2020-01-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9398487031 dns-udp-queries-received-ipv6: 1247851929 dns-tcp-queries-received-ipv4: 699832858 dns-tcp-queries-received-ipv6: 111291855 dns-udp-responses-sent-ipv4: 8717109779 dns-udp-responses-sent-ipv6: 1210562457 dns-tcp-responses-sent-ipv4: 509356486 dns-tcp-responses-sent-ipv6: 95911361