--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-09-14T00:00:00Z' dns-udp-queries-received-ipv4: 2927599284 dns-udp-queries-received-ipv6: 673219824 dns-tcp-queries-received-ipv4: 73782913 dns-tcp-queries-received-ipv6: 17656471 dns-udp-responses-sent-ipv4: 2873199090 dns-udp-responses-sent-ipv6: 672988591 dns-tcp-responses-sent-ipv4: 47871626 dns-tcp-responses-sent-ipv6: 11839113