--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-05-11T00:00:00Z' dns-udp-queries-received-ipv4: 2175928603 dns-udp-queries-received-ipv6: 313357328 dns-tcp-queries-received-ipv4: 42095370 dns-tcp-queries-received-ipv6: 9560048 dns-udp-responses-sent-ipv4: 2174184645 dns-udp-responses-sent-ipv6: 313306259 dns-tcp-responses-sent-ipv4: 41317421 dns-tcp-responses-sent-ipv6: 9382173