--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-01-15T00:00:00Z' dns-udp-queries-received-ipv4: 2302806591 dns-udp-queries-received-ipv6: 509199049 dns-tcp-queries-received-ipv4: 45440496 dns-tcp-queries-received-ipv6: 15105439 dns-udp-responses-sent-ipv4: 2294242481 dns-udp-responses-sent-ipv6: 508775163 dns-tcp-responses-sent-ipv4: 42922157 dns-tcp-responses-sent-ipv6: 14440138