--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9471993475 dns-udp-queries-received-ipv6: 1319606582 dns-tcp-queries-received-ipv4: 839560075 dns-tcp-queries-received-ipv6: 133398381 dns-udp-responses-sent-ipv4: 8549441018 dns-udp-responses-sent-ipv6: 1249913786 dns-tcp-responses-sent-ipv4: 569206816 dns-tcp-responses-sent-ipv6: 114380200