--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-10-04T00:00:00Z' dns-udp-queries-received-ipv4: 3352415736 dns-udp-queries-received-ipv6: 726116511 dns-tcp-queries-received-ipv4: 59494161 dns-tcp-queries-received-ipv6: 17127649 dns-udp-responses-sent-ipv4: 3113029636 dns-udp-responses-sent-ipv6: 726546509 dns-tcp-responses-sent-ipv4: 38693306 dns-tcp-responses-sent-ipv6: 12244735