--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-08-04T00:00:00Z dns-udp-queries-received-ipv4: 3540324204 dns-udp-queries-received-ipv6: 516162070 dns-tcp-queries-received-ipv4: 124680362 dns-tcp-queries-received-ipv6: 68942367 dns-udp-responses-sent-ipv4: 3535913685 dns-udp-responses-sent-ipv6: 516117552 dns-tcp-responses-sent-ipv4: 128008099 dns-tcp-responses-sent-ipv6: 70865964