--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-12-07T00:00:00Z dns-udp-queries-received-ipv4: 3209951462 dns-udp-queries-received-ipv6: 623001663 dns-tcp-queries-received-ipv4: 59718641 dns-tcp-queries-received-ipv6: 26446481 dns-udp-responses-sent-ipv4: 3206910756 dns-udp-responses-sent-ipv6: 622915924 dns-tcp-responses-sent-ipv4: 61042248 dns-tcp-responses-sent-ipv6: 27245008