--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-01-08T00:00:00Z' dns-udp-queries-received-ipv4: 1900915927 dns-udp-queries-received-ipv6: 519346424 dns-tcp-queries-received-ipv4: 862379 dns-tcp-queries-received-ipv6: 3435278 dns-udp-responses-sent-ipv4: 1895021139 dns-udp-responses-sent-ipv6: 519661460 dns-tcp-responses-sent-ipv4: 278420 dns-tcp-responses-sent-ipv6: 3092359