--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-09-06T00:00:00Z' dns-udp-queries-received-ipv4: 3207325502 dns-udp-queries-received-ipv6: 698636559 dns-tcp-queries-received-ipv4: 69924259 dns-tcp-queries-received-ipv6: 16937644 dns-udp-responses-sent-ipv4: 3119101099 dns-udp-responses-sent-ipv6: 698550261 dns-tcp-responses-sent-ipv4: 42874905 dns-tcp-responses-sent-ipv6: 11120056