--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2016-12-04T00:00:00Z' dns-udp-queries-received-ipv4: 2022992880 dns-udp-queries-received-ipv6: 531946314 dns-tcp-queries-received-ipv4: 514491 dns-tcp-queries-received-ipv6: 4494187 dns-udp-responses-sent-ipv4: 2019656780 dns-udp-responses-sent-ipv6: 532362634 dns-tcp-responses-sent-ipv4: 276638 dns-tcp-responses-sent-ipv6: 4075909