--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-12-09T00:00:00Z dns-udp-queries-received-ipv4: 3209149657 dns-udp-queries-received-ipv6: 669335085 dns-tcp-queries-received-ipv4: 59935270 dns-tcp-queries-received-ipv6: 26079090 dns-udp-responses-sent-ipv4: 3190603046 dns-udp-responses-sent-ipv6: 669258026 dns-tcp-responses-sent-ipv4: 61542122 dns-tcp-responses-sent-ipv6: 26929161