--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-06-09T00:00:00Z' dns-udp-queries-received-ipv4: 1686916105 dns-udp-queries-received-ipv6: 460382521 dns-tcp-queries-received-ipv4: 41910631 dns-tcp-queries-received-ipv6: 10173257 dns-udp-responses-sent-ipv4: 1670038874 dns-udp-responses-sent-ipv6: 459940351 dns-tcp-responses-sent-ipv4: 42027510 dns-tcp-responses-sent-ipv6: 10253544