--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-05-07T00:00:00Z dns-udp-queries-received-ipv4: 3822904544 dns-udp-queries-received-ipv6: 422648158 dns-tcp-queries-received-ipv4: 115424943 dns-tcp-queries-received-ipv6: 68189110 dns-udp-responses-sent-ipv4: 3818976127 dns-udp-responses-sent-ipv6: 422506999 dns-tcp-responses-sent-ipv4: 116145995 dns-tcp-responses-sent-ipv6: 68807023