--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-11-19T00:00:00Z dns-udp-queries-received-ipv4: 2760425876 dns-udp-queries-received-ipv6: 577881428 dns-tcp-queries-received-ipv4: 57969489 dns-tcp-queries-received-ipv6: 25918353 dns-udp-responses-sent-ipv4: 2757273506 dns-udp-responses-sent-ipv6: 577797586 dns-tcp-responses-sent-ipv4: 59087446 dns-tcp-responses-sent-ipv6: 26584210