--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-09-01T00:00:00Z dns-udp-queries-received-ipv4: 3303695275 dns-udp-queries-received-ipv6: 570259048 dns-tcp-queries-received-ipv4: 131992371 dns-tcp-queries-received-ipv6: 86329839 dns-udp-responses-sent-ipv4: 3299235133 dns-udp-responses-sent-ipv6: 570103837 dns-tcp-responses-sent-ipv4: 135496351 dns-tcp-responses-sent-ipv6: 88038501