--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-03-19T00:00:00Z' dns-udp-queries-received-ipv4: 1945776453 dns-udp-queries-received-ipv6: 473307672 dns-tcp-queries-received-ipv4: 1438603 dns-tcp-queries-received-ipv6: 4470567 dns-udp-responses-sent-ipv4: 1939969937 dns-udp-responses-sent-ipv6: 473645174 dns-tcp-responses-sent-ipv4: 275666 dns-tcp-responses-sent-ipv6: 4153147