--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-07-03T00:00:00Z' dns-udp-queries-received-ipv4: 3204940920 dns-udp-queries-received-ipv6: 635497759 dns-tcp-queries-received-ipv4: 72387967 dns-tcp-queries-received-ipv6: 17491166 dns-udp-responses-sent-ipv4: 3155116437 dns-udp-responses-sent-ipv6: 634617641 dns-tcp-responses-sent-ipv4: 47139084 dns-tcp-responses-sent-ipv6: 11071585