--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-05-27T00:00:00Z dns-udp-queries-received-ipv4: 3766124897 dns-udp-queries-received-ipv6: 409726706 dns-tcp-queries-received-ipv4: 112853024 dns-tcp-queries-received-ipv6: 62916804 dns-udp-responses-sent-ipv4: 3762316452 dns-udp-responses-sent-ipv6: 409304386 dns-tcp-responses-sent-ipv4: 115049009 dns-tcp-responses-sent-ipv6: 64650394