--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-08-12T00:00:00Z dns-udp-queries-received-ipv4: 3377702994 dns-udp-queries-received-ipv6: 490883223 dns-tcp-queries-received-ipv4: 127993814 dns-tcp-queries-received-ipv6: 62606305 dns-udp-responses-sent-ipv4: 3372826838 dns-udp-responses-sent-ipv6: 490840647 dns-tcp-responses-sent-ipv4: 131599081 dns-tcp-responses-sent-ipv6: 64610353