--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-08-15T00:00:00Z dns-udp-queries-received-ipv4: 2905796779 dns-udp-queries-received-ipv6: 424018959 dns-tcp-queries-received-ipv4: 122354907 dns-tcp-queries-received-ipv6: 62161669 dns-udp-responses-sent-ipv4: 2902590854 dns-udp-responses-sent-ipv6: 423975965 dns-tcp-responses-sent-ipv4: 126026354 dns-tcp-responses-sent-ipv6: 64307423