--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-09-22T00:00:00Z dns-udp-queries-received-ipv4: 3415309421 dns-udp-queries-received-ipv6: 536644678 dns-tcp-queries-received-ipv4: 129945235 dns-tcp-queries-received-ipv6: 64795977 dns-udp-responses-sent-ipv4: 3412461112 dns-udp-responses-sent-ipv6: 536594836 dns-tcp-responses-sent-ipv4: 133394814 dns-tcp-responses-sent-ipv6: 66677721