--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-07-26T00:00:00Z' dns-udp-queries-received-ipv4: 2997974956 dns-udp-queries-received-ipv6: 590151383 dns-tcp-queries-received-ipv4: 66527288 dns-tcp-queries-received-ipv6: 17647652 dns-udp-responses-sent-ipv4: 2962072985 dns-udp-responses-sent-ipv6: 589800408 dns-tcp-responses-sent-ipv4: 45628649 dns-tcp-responses-sent-ipv6: 12197109