--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-02-09T00:00:00Z' dns-udp-queries-received-ipv4: 2074182291 dns-udp-queries-received-ipv6: 546306821 dns-tcp-queries-received-ipv4: 1509221 dns-tcp-queries-received-ipv6: 5299869 dns-udp-responses-sent-ipv4: 2071096254 dns-udp-responses-sent-ipv6: 546970096 dns-tcp-responses-sent-ipv4: 357731 dns-tcp-responses-sent-ipv6: 4807079