--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-08-25T00:00:00Z dns-udp-queries-received-ipv4: 3528631860 dns-udp-queries-received-ipv6: 484368526 dns-tcp-queries-received-ipv4: 129636455 dns-tcp-queries-received-ipv6: 63489026 dns-udp-responses-sent-ipv4: 3522390263 dns-udp-responses-sent-ipv6: 484297475 dns-tcp-responses-sent-ipv4: 133104088 dns-tcp-responses-sent-ipv6: 65282425