--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-07-11T00:00:00Z' dns-udp-queries-received-ipv4: 3053932922 dns-udp-queries-received-ipv6: 603658709 dns-tcp-queries-received-ipv4: 69619123 dns-tcp-queries-received-ipv6: 17202495 dns-udp-responses-sent-ipv4: 3012590100 dns-udp-responses-sent-ipv6: 602925468 dns-tcp-responses-sent-ipv4: 44363463 dns-tcp-responses-sent-ipv6: 10578708