--- version: rssac002v3 service: j.root-servers.net start-period: '2021-03-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6882274994 dns-udp-queries-received-ipv6: 1364847920 dns-tcp-queries-received-ipv4: 557634454 dns-tcp-queries-received-ipv6: 122500650 dns-udp-responses-sent-ipv4: 6356229624 dns-udp-responses-sent-ipv6: 1334148660 dns-tcp-responses-sent-ipv4: 393428898 dns-tcp-responses-sent-ipv6: 110002265