--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-06-02T00:00:00Z dns-udp-queries-received-ipv4: 4429499582 dns-udp-queries-received-ipv6: 592740193 dns-tcp-queries-received-ipv4: 128924827 dns-tcp-queries-received-ipv6: 77948341 dns-udp-responses-sent-ipv4: 4426021212 dns-udp-responses-sent-ipv6: 592658858 dns-tcp-responses-sent-ipv4: 131846670 dns-tcp-responses-sent-ipv6: 80092667