--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2016-12-24T00:00:00Z' dns-udp-queries-received-ipv4: 1869040279 dns-udp-queries-received-ipv6: 502060134 dns-tcp-queries-received-ipv4: 665463 dns-tcp-queries-received-ipv6: 3562892 dns-udp-responses-sent-ipv4: 1866827130 dns-udp-responses-sent-ipv6: 502329422 dns-tcp-responses-sent-ipv4: 236894 dns-tcp-responses-sent-ipv6: 3253340