--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2016-12-11T00:00:00Z' dns-udp-queries-received-ipv4: 2017503788 dns-udp-queries-received-ipv6: 524569760 dns-tcp-queries-received-ipv4: 571708 dns-tcp-queries-received-ipv6: 4442779 dns-udp-responses-sent-ipv4: 1998457840 dns-udp-responses-sent-ipv6: 522335267 dns-tcp-responses-sent-ipv4: 315838 dns-tcp-responses-sent-ipv6: 4010754