--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-06-14T00:00:00Z' dns-udp-queries-received-ipv4: 3194672367 dns-udp-queries-received-ipv6: 807755231 dns-tcp-queries-received-ipv4: 68615463 dns-tcp-queries-received-ipv6: 18009134 dns-udp-responses-sent-ipv4: 3165201711 dns-udp-responses-sent-ipv6: 807251469 dns-tcp-responses-sent-ipv4: 66552026 dns-tcp-responses-sent-ipv6: 17652134