--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-01-08T00:00:00Z' dns-udp-queries-received-ipv4: 1555984699 dns-udp-queries-received-ipv6: 288771086 dns-tcp-queries-received-ipv4: 47604156 dns-tcp-queries-received-ipv6: 9774956 dns-udp-responses-sent-ipv4: 1554606420 dns-udp-responses-sent-ipv6: 288745246 dns-tcp-responses-sent-ipv4: 55369375 dns-tcp-responses-sent-ipv6: 9399083