--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-02-02T00:00:00Z' dns-udp-queries-received-ipv4: 2294721810 dns-udp-queries-received-ipv6: 490147035 dns-tcp-queries-received-ipv4: 48029192 dns-tcp-queries-received-ipv6: 13850919 dns-udp-responses-sent-ipv4: 2293999251 dns-udp-responses-sent-ipv6: 489709945 dns-tcp-responses-sent-ipv4: 45535632 dns-tcp-responses-sent-ipv6: 13291193