--- version: rssac002v3 service: j.root-servers.net start-period: '2020-07-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9303580239 dns-udp-queries-received-ipv6: 1351496547 dns-tcp-queries-received-ipv4: 752978901 dns-tcp-queries-received-ipv6: 94592166 dns-udp-responses-sent-ipv4: 8558943891 dns-udp-responses-sent-ipv6: 1329664549 dns-tcp-responses-sent-ipv4: 491117016 dns-tcp-responses-sent-ipv6: 88004887