--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-08-09T00:00:00Z dns-udp-queries-received-ipv4: 3385206445 dns-udp-queries-received-ipv6: 515109160 dns-tcp-queries-received-ipv4: 124607320 dns-tcp-queries-received-ipv6: 63025863 dns-udp-responses-sent-ipv4: 3381699368 dns-udp-responses-sent-ipv6: 515064518 dns-tcp-responses-sent-ipv4: 127931409 dns-tcp-responses-sent-ipv6: 65049987