--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-04-05T00:00:00Z dns-udp-queries-received-ipv4: 3697698420 dns-udp-queries-received-ipv6: 969285063 dns-tcp-queries-received-ipv4: 115716642 dns-tcp-queries-received-ipv6: 62936268 dns-udp-responses-sent-ipv4: 3694030866 dns-udp-responses-sent-ipv6: 969147848 dns-tcp-responses-sent-ipv4: 118192730 dns-tcp-responses-sent-ipv6: 64868846