--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2020-12-21T00:00:00Z dns-udp-queries-received-ipv4: 4417424303 dns-udp-queries-received-ipv6: 999299109 dns-tcp-queries-received-ipv4: 137884493 dns-tcp-queries-received-ipv6: 66193122 dns-udp-responses-sent-ipv4: 4387742261 dns-udp-responses-sent-ipv6: 999145405 dns-tcp-responses-sent-ipv4: 112951171 dns-tcp-responses-sent-ipv6: 67792942