--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-04-06T00:00:00Z dns-udp-queries-received-ipv4: 4011730999 dns-udp-queries-received-ipv6: 1100269953 dns-tcp-queries-received-ipv4: 119601569 dns-tcp-queries-received-ipv6: 63997984 dns-udp-responses-sent-ipv4: 4005607314 dns-udp-responses-sent-ipv6: 1100114428 dns-tcp-responses-sent-ipv4: 121994885 dns-tcp-responses-sent-ipv6: 65969697