--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-03-30T00:00:00Z' dns-udp-queries-received-ipv4: 2118036607 dns-udp-queries-received-ipv6: 448516749 dns-tcp-queries-received-ipv4: 43235251 dns-tcp-queries-received-ipv6: 11582547 dns-udp-responses-sent-ipv4: 2094087971 dns-udp-responses-sent-ipv6: 446821306 dns-tcp-responses-sent-ipv4: 40165787 dns-tcp-responses-sent-ipv6: 10948287