--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-03-13T00:00:00Z dns-udp-queries-received-ipv4: 3473546423 dns-udp-queries-received-ipv6: 849374857 dns-tcp-queries-received-ipv4: 103597498 dns-tcp-queries-received-ipv6: 54299848 dns-udp-responses-sent-ipv4: 3468297880 dns-udp-responses-sent-ipv6: 849231813 dns-tcp-responses-sent-ipv4: 85181827 dns-tcp-responses-sent-ipv6: 56114393