--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-04-01T00:00:00Z' dns-udp-queries-received-ipv4: 1325719009 dns-udp-queries-received-ipv6: 258523327 dns-tcp-queries-received-ipv4: 30926258 dns-tcp-queries-received-ipv6: 7551115 dns-udp-responses-sent-ipv4: 1324502461 dns-udp-responses-sent-ipv6: 258527136 dns-tcp-responses-sent-ipv4: 29896720 dns-tcp-responses-sent-ipv6: 7336216