--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-04-12T00:00:00Z' dns-udp-queries-received-ipv4: 1887816178 dns-udp-queries-received-ipv6: 429266046 dns-tcp-queries-received-ipv4: 2206721 dns-tcp-queries-received-ipv6: 5597366 dns-udp-responses-sent-ipv4: 1892041325 dns-udp-responses-sent-ipv6: 432760094 dns-tcp-responses-sent-ipv4: 2739388 dns-tcp-responses-sent-ipv6: 5724048