--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-06-24T00:00:00Z dns-udp-queries-received-ipv4: 4021617557 dns-udp-queries-received-ipv6: 536634171 dns-tcp-queries-received-ipv4: 207677670 dns-tcp-queries-received-ipv6: 73468793 dns-udp-responses-sent-ipv4: 4011814388 dns-udp-responses-sent-ipv6: 536595821 dns-tcp-responses-sent-ipv4: 212368376 dns-tcp-responses-sent-ipv6: 75540288