--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-03-23T00:00:00Z dns-udp-queries-received-ipv4: 3720634731 dns-udp-queries-received-ipv6: 902767068 dns-tcp-queries-received-ipv4: 107404312 dns-tcp-queries-received-ipv6: 56517165 dns-udp-responses-sent-ipv4: 3713682882 dns-udp-responses-sent-ipv6: 902620692 dns-tcp-responses-sent-ipv4: 87101551 dns-tcp-responses-sent-ipv6: 58318664