--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-06-01T00:00:00Z' dns-udp-queries-received-ipv4: 1809707253 dns-udp-queries-received-ipv6: 313013847 dns-tcp-queries-received-ipv4: 44344842 dns-tcp-queries-received-ipv6: 10035042 dns-udp-responses-sent-ipv4: 1808185267 dns-udp-responses-sent-ipv6: 312993103 dns-tcp-responses-sent-ipv4: 43037876 dns-tcp-responses-sent-ipv6: 9809895