--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-12-05T00:00:00Z' dns-udp-queries-received-ipv4: 2570442749 dns-udp-queries-received-ipv6: 531695104 dns-tcp-queries-received-ipv4: 72556835 dns-tcp-queries-received-ipv6: 29038163 dns-udp-responses-sent-ipv4: 2504668010 dns-udp-responses-sent-ipv6: 506081411 dns-tcp-responses-sent-ipv4: 41757319 dns-tcp-responses-sent-ipv6: 17835797