--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-06-14T00:00:00Z dns-udp-queries-received-ipv4: 4092551378 dns-udp-queries-received-ipv6: 510018558 dns-tcp-queries-received-ipv4: 131026090 dns-tcp-queries-received-ipv6: 67901009 dns-udp-responses-sent-ipv4: 4088064240 dns-udp-responses-sent-ipv6: 509951800 dns-tcp-responses-sent-ipv4: 135511110 dns-tcp-responses-sent-ipv6: 70322124