--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-01-05T00:00:00Z dns-udp-queries-received-ipv4: 3856410058 dns-udp-queries-received-ipv6: 911759330 dns-tcp-queries-received-ipv4: 115175853 dns-tcp-queries-received-ipv6: 73601311 dns-udp-responses-sent-ipv4: 3853923298 dns-udp-responses-sent-ipv6: 911591475 dns-tcp-responses-sent-ipv4: 92841332 dns-tcp-responses-sent-ipv6: 75833781