--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-08-11T00:00:00Z dns-udp-queries-received-ipv4: 2512464151 dns-udp-queries-received-ipv6: 368163689 dns-tcp-queries-received-ipv4: 92622480 dns-tcp-queries-received-ipv6: 42121469 dns-udp-responses-sent-ipv4: 2508982420 dns-udp-responses-sent-ipv6: 368119213 dns-tcp-responses-sent-ipv4: 94715445 dns-tcp-responses-sent-ipv6: 43179431