--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-04-26T00:00:00Z dns-udp-queries-received-ipv4: 3924139107 dns-udp-queries-received-ipv6: 983090207 dns-tcp-queries-received-ipv4: 132411177 dns-tcp-queries-received-ipv6: 73034002 dns-udp-responses-sent-ipv4: 3917411538 dns-udp-responses-sent-ipv6: 982893604 dns-tcp-responses-sent-ipv4: 134928760 dns-tcp-responses-sent-ipv6: 75216657