--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-02-18T00:00:00Z' dns-udp-queries-received-ipv4: 1293480319 dns-udp-queries-received-ipv6: 271907938 dns-tcp-queries-received-ipv4: 41755042 dns-tcp-queries-received-ipv6: 9980678 dns-udp-responses-sent-ipv4: 1291404330 dns-udp-responses-sent-ipv6: 271884553 dns-tcp-responses-sent-ipv4: 46401468 dns-tcp-responses-sent-ipv6: 9753197