--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-07-04T00:00:00Z dns-udp-queries-received-ipv4: 3672681907 dns-udp-queries-received-ipv6: 483558945 dns-tcp-queries-received-ipv4: 127227492 dns-tcp-queries-received-ipv6: 65009679 dns-udp-responses-sent-ipv4: 3664625883 dns-udp-responses-sent-ipv6: 483512171 dns-tcp-responses-sent-ipv4: 131249409 dns-tcp-responses-sent-ipv6: 67254758