--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-02-09T00:00:00Z dns-udp-queries-received-ipv4: 3851498213 dns-udp-queries-received-ipv6: 1006133770 dns-tcp-queries-received-ipv4: 116573188 dns-tcp-queries-received-ipv6: 72739447 dns-udp-responses-sent-ipv4: 3838664598 dns-udp-responses-sent-ipv6: 1006015615 dns-tcp-responses-sent-ipv4: 95466936 dns-tcp-responses-sent-ipv6: 74576656