--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-07-14T00:00:00Z dns-udp-queries-received-ipv4: 4084128394 dns-udp-queries-received-ipv6: 499128801 dns-tcp-queries-received-ipv4: 154325714 dns-tcp-queries-received-ipv6: 81439138 dns-udp-responses-sent-ipv4: 4079981713 dns-udp-responses-sent-ipv6: 499081833 dns-tcp-responses-sent-ipv4: 158671477 dns-tcp-responses-sent-ipv6: 83793561