--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-03-08T00:00:00Z' dns-udp-queries-received-ipv4: 2139072960 dns-udp-queries-received-ipv6: 528487914 dns-tcp-queries-received-ipv4: 1380065 dns-tcp-queries-received-ipv6: 4893983 dns-udp-responses-sent-ipv4: 2137632594 dns-udp-responses-sent-ipv6: 529268086 dns-tcp-responses-sent-ipv4: 415390 dns-tcp-responses-sent-ipv6: 4402003