--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-07-18T00:00:00Z' dns-udp-queries-received-ipv4: 3068147261 dns-udp-queries-received-ipv6: 597340750 dns-tcp-queries-received-ipv4: 70453494 dns-tcp-queries-received-ipv6: 17511487 dns-udp-responses-sent-ipv4: 3032693759 dns-udp-responses-sent-ipv6: 596664654 dns-tcp-responses-sent-ipv4: 47263801 dns-tcp-responses-sent-ipv6: 10829395