--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-09-16T00:00:00Z' dns-udp-queries-received-ipv4: 3049313414 dns-udp-queries-received-ipv6: 701376997 dns-tcp-queries-received-ipv4: 75472573 dns-tcp-queries-received-ipv6: 17893890 dns-udp-responses-sent-ipv4: 2996334500 dns-udp-responses-sent-ipv6: 701295214 dns-tcp-responses-sent-ipv4: 49069779 dns-tcp-responses-sent-ipv6: 11850807