--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-03-19T00:00:00Z dns-udp-queries-received-ipv4: 3703063744 dns-udp-queries-received-ipv6: 869487840 dns-tcp-queries-received-ipv4: 105848318 dns-tcp-queries-received-ipv6: 60599880 dns-udp-responses-sent-ipv4: 3697352013 dns-udp-responses-sent-ipv6: 869276514 dns-tcp-responses-sent-ipv4: 85980930 dns-tcp-responses-sent-ipv6: 62299238