--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-12-25T00:00:00Z' dns-udp-queries-received-ipv4: 3541849594 dns-udp-queries-received-ipv6: 747700605 dns-tcp-queries-received-ipv4: 152001094 dns-tcp-queries-received-ipv6: 62871186 dns-udp-responses-sent-ipv4: 3339185288 dns-udp-responses-sent-ipv6: 728804460 dns-tcp-responses-sent-ipv4: 136696606 dns-tcp-responses-sent-ipv6: 61914781