--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-09-20T00:00:00Z dns-udp-queries-received-ipv4: 3136322133 dns-udp-queries-received-ipv6: 467957563 dns-tcp-queries-received-ipv4: 127955642 dns-tcp-queries-received-ipv6: 62628518 dns-udp-responses-sent-ipv4: 3133255057 dns-udp-responses-sent-ipv6: 467909112 dns-tcp-responses-sent-ipv4: 131309699 dns-tcp-responses-sent-ipv6: 64372044