--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-04-11T00:00:00Z' dns-udp-queries-received-ipv4: 2707915107 dns-udp-queries-received-ipv6: 498614801 dns-tcp-queries-received-ipv4: 42609201 dns-tcp-queries-received-ipv6: 15056969 dns-udp-responses-sent-ipv4: 2681433284 dns-udp-responses-sent-ipv6: 497381329 dns-tcp-responses-sent-ipv4: 40510174 dns-tcp-responses-sent-ipv6: 14569800