--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-05-08T00:00:00Z dns-udp-queries-received-ipv4: 3580226547 dns-udp-queries-received-ipv6: 410679330 dns-tcp-queries-received-ipv4: 114543030 dns-tcp-queries-received-ipv6: 70487507 dns-udp-responses-sent-ipv4: 3577499730 dns-udp-responses-sent-ipv6: 410619321 dns-tcp-responses-sent-ipv4: 116150198 dns-tcp-responses-sent-ipv6: 71643878