--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-05-01T00:00:00Z' dns-udp-queries-received-ipv4: 1813705878 dns-udp-queries-received-ipv6: 394028668 dns-tcp-queries-received-ipv4: 1837703 dns-tcp-queries-received-ipv6: 5791010 dns-udp-responses-sent-ipv4: 1806865464 dns-udp-responses-sent-ipv6: 395649494 dns-tcp-responses-sent-ipv4: 1638204 dns-tcp-responses-sent-ipv6: 6041062