--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-02-13T00:00:00Z dns-udp-queries-received-ipv4: 3422821583 dns-udp-queries-received-ipv6: 811340334 dns-tcp-queries-received-ipv4: 105829726 dns-tcp-queries-received-ipv6: 67419257 dns-udp-responses-sent-ipv4: 3416835364 dns-udp-responses-sent-ipv6: 811196609 dns-tcp-responses-sent-ipv4: 86780056 dns-tcp-responses-sent-ipv6: 69164589