--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-12-13T00:00:00Z' dns-udp-queries-received-ipv4: 3859032977 dns-udp-queries-received-ipv6: 824049435 dns-tcp-queries-received-ipv4: 182017984 dns-tcp-queries-received-ipv6: 59956886 dns-udp-responses-sent-ipv4: 3628181017 dns-udp-responses-sent-ipv6: 804924148 dns-tcp-responses-sent-ipv4: 171256353 dns-tcp-responses-sent-ipv6: 58337138