--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-08-15T00:00:00Z' dns-udp-queries-received-ipv4: 3640637381 dns-udp-queries-received-ipv6: 919675699 dns-tcp-queries-received-ipv4: 52159557 dns-tcp-queries-received-ipv6: 14153503 dns-udp-responses-sent-ipv4: 3589428869 dns-udp-responses-sent-ipv6: 921360508 dns-tcp-responses-sent-ipv4: 38709818 dns-tcp-responses-sent-ipv6: 10598454