--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-01-18T00:00:00Z' dns-udp-queries-received-ipv4: 1704017218 dns-udp-queries-received-ipv6: 309452535 dns-tcp-queries-received-ipv4: 51725820 dns-tcp-queries-received-ipv6: 10371674 dns-udp-responses-sent-ipv4: 1697728922 dns-udp-responses-sent-ipv6: 309438956 dns-tcp-responses-sent-ipv4: 59595015 dns-tcp-responses-sent-ipv6: 10212730