--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2016-12-10T00:00:00Z' dns-udp-queries-received-ipv4: 2079374819 dns-udp-queries-received-ipv6: 531635918 dns-tcp-queries-received-ipv4: 556507 dns-tcp-queries-received-ipv6: 4355959 dns-udp-responses-sent-ipv4: 2076375902 dns-udp-responses-sent-ipv6: 532184964 dns-tcp-responses-sent-ipv4: 317587 dns-tcp-responses-sent-ipv6: 3930078