--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-12-24T00:00:00Z' dns-udp-queries-received-ipv4: 3611041087 dns-udp-queries-received-ipv6: 781328370 dns-tcp-queries-received-ipv4: 143833674 dns-tcp-queries-received-ipv6: 60550180 dns-udp-responses-sent-ipv4: 3417125765 dns-udp-responses-sent-ipv6: 758210537 dns-tcp-responses-sent-ipv4: 127264328 dns-tcp-responses-sent-ipv6: 59803099