--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2016-12-15T00:00:00Z' dns-udp-queries-received-ipv4: 2244928547 dns-udp-queries-received-ipv6: 548389754 dns-tcp-queries-received-ipv4: 770656 dns-tcp-queries-received-ipv6: 3952858 dns-udp-responses-sent-ipv4: 2239783131 dns-udp-responses-sent-ipv6: 549723702 dns-tcp-responses-sent-ipv4: 501123 dns-tcp-responses-sent-ipv6: 3518977