--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-04-09T00:00:00Z' dns-udp-queries-received-ipv4: 1855584374 dns-udp-queries-received-ipv6: 276342462 dns-tcp-queries-received-ipv4: 37057454 dns-tcp-queries-received-ipv6: 8532050 dns-udp-responses-sent-ipv4: 1851066313 dns-udp-responses-sent-ipv6: 276336783 dns-tcp-responses-sent-ipv4: 35937723 dns-tcp-responses-sent-ipv6: 8300479