--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-09-19T00:00:00Z' dns-udp-queries-received-ipv4: 1973190930 dns-udp-queries-received-ipv6: 362365049 dns-tcp-queries-received-ipv4: 44030114 dns-tcp-queries-received-ipv6: 14055078 dns-udp-responses-sent-ipv4: 1967228212 dns-udp-responses-sent-ipv6: 362179036 dns-tcp-responses-sent-ipv4: 42247187 dns-tcp-responses-sent-ipv6: 13560943