--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-08-19T00:00:00Z dns-udp-queries-received-ipv4: 3401379911 dns-udp-queries-received-ipv6: 468699374 dns-tcp-queries-received-ipv4: 132667971 dns-tcp-queries-received-ipv6: 68127619 dns-udp-responses-sent-ipv4: 3398640793 dns-udp-responses-sent-ipv6: 468647952 dns-tcp-responses-sent-ipv4: 136348884 dns-tcp-responses-sent-ipv6: 70195131