--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-08-14T00:00:00Z dns-udp-queries-received-ipv4: 2896927616 dns-udp-queries-received-ipv6: 429436184 dns-tcp-queries-received-ipv4: 123338940 dns-tcp-queries-received-ipv6: 63430160 dns-udp-responses-sent-ipv4: 2893797195 dns-udp-responses-sent-ipv6: 429394858 dns-tcp-responses-sent-ipv4: 126874791 dns-tcp-responses-sent-ipv6: 65517464