--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-09-02T00:00:00Z dns-udp-queries-received-ipv4: 3297715427 dns-udp-queries-received-ipv6: 553537004 dns-tcp-queries-received-ipv4: 134167764 dns-tcp-queries-received-ipv6: 88648473 dns-udp-responses-sent-ipv4: 3293774519 dns-udp-responses-sent-ipv6: 553468628 dns-tcp-responses-sent-ipv4: 137559016 dns-tcp-responses-sent-ipv6: 90185592