--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-01-28T00:00:00Z dns-udp-queries-received-ipv4: 3925115104 dns-udp-queries-received-ipv6: 950411209 dns-tcp-queries-received-ipv4: 125666376 dns-tcp-queries-received-ipv6: 106546233 dns-udp-responses-sent-ipv4: 3917409623 dns-udp-responses-sent-ipv6: 950288120 dns-tcp-responses-sent-ipv4: 101555572 dns-tcp-responses-sent-ipv6: 108342810