--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-05-22T00:00:00Z' dns-udp-queries-received-ipv4: 2891230792 dns-udp-queries-received-ipv6: 515033519 dns-tcp-queries-received-ipv4: 63547865 dns-tcp-queries-received-ipv6: 16977437 dns-udp-responses-sent-ipv4: 2859472395 dns-udp-responses-sent-ipv6: 514546035 dns-tcp-responses-sent-ipv4: 62300103 dns-tcp-responses-sent-ipv6: 16820519