--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-01-15T00:00:00Z' dns-udp-queries-received-ipv4: 1964756089 dns-udp-queries-received-ipv6: 512624867 dns-tcp-queries-received-ipv4: 909323 dns-tcp-queries-received-ipv6: 4612974 dns-udp-responses-sent-ipv4: 1963488182 dns-udp-responses-sent-ipv6: 513158229 dns-tcp-responses-sent-ipv4: 308188 dns-tcp-responses-sent-ipv6: 4054582