--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-08-21T00:00:00Z' dns-udp-queries-received-ipv4: 2995596370 dns-udp-queries-received-ipv6: 655605319 dns-tcp-queries-received-ipv4: 59562519 dns-tcp-queries-received-ipv6: 14332080 dns-udp-responses-sent-ipv4: 2898963490 dns-udp-responses-sent-ipv6: 656140237 dns-tcp-responses-sent-ipv4: 40268936 dns-tcp-responses-sent-ipv6: 9730076