--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-03-18T00:00:00Z' dns-udp-queries-received-ipv4: 2010991992 dns-udp-queries-received-ipv6: 477390954 dns-tcp-queries-received-ipv4: 1524885 dns-tcp-queries-received-ipv6: 4595593 dns-udp-responses-sent-ipv4: 2006921496 dns-udp-responses-sent-ipv6: 477819106 dns-tcp-responses-sent-ipv4: 314828 dns-tcp-responses-sent-ipv6: 4228098